PVC strip enclasping assembly

Abstract

The utility model discloses a PVC strip enclasping assembly, which comprises a pressing female block, a male block, a male block up-and-down driving module and a female block front-and-back driving module, the pressing female block is provided with a female hole penetrating through the pressing female block front and back, the pressing female block is provided with a male block moving jack penetrating through the pressing female block up and down, and the male block moving jack penetrates through the inner wall of the female hole. The male block is provided with a male hole penetrating through the male block front and back, the male block up-and-down driving module is installed on the pressing female block, the output end of the male block up-and-down driving module is fixedly connected with the top of the male block, and the male block up-and-down driving module drives the male block to move up and down. The male block is driven by the male block up-down driving module to move downwards, so that the upper edge of the male hole is pressed downwards, automation of holding a plurality of PVC strips is achieved, the structure is simple and exquisite, and use is practical and convenient.

Description

Technical Field

[0001] The utility model relates to the field of mechanical automation, in particular to a PVC strip holding component. Background Art

[0002] Decorative Christmas trees have become a very common decorative item during Christmas, which makes the festive atmosphere better set off and meets people's usage needs. In the process of making Christmas tree branches and leaves, long PVC strips with Christmas tree branches and leaves connected to them need to be cut into sections according to the specified length. Currently, several PVC strips are usually manually grasped into a bundle and then placed into a cutter for cutting. On the one hand, the cutting efficiency is low, and on the other hand, the length accuracy of the cutting cannot be guaranteed. At the same time, manual cutting poses a safety hazard to the staff. Therefore, an automatic leaf cutter that can automatically complete the cutting is urgently needed to solve the above problems. During the design process of the automatic leaf cutter, a mechanism needs to be designed at the feed end to hold the several PVC strips tightly, and then the mechanism needs to be pushed forward to realize the feeding process of the PVC strips. Utility Model Content

[0003] The purpose of the utility model is to provide a PVC strip clamping component to realize the automation of clamping multiple PVC strips.

[0004] The technical solution of the present utility model is achieved as follows:

[0005] A PVC strip clamping assembly is designed, comprising a frame, a clamping female block, a male block, a male block up and down drive module, and a female block front and back drive module. The clamping female block is provided with a female hole that passes through the female block front and back, and the clamping female block is provided with a male block movable socket that passes through the female block top and bottom. The male block movable socket passes through the inner wall of the female hole, and the male block is provided with a male hole that passes through the male block front and back. The male block up and down drive module is installed on the clamping female block, and the output end of the male block up and down drive module is fixedly connected to the top of the male block. The male block up and down drive module drives the male block to move up and down.

[0006] Preferably, the rear wall of the compression mother block is protruded backward outside the edge of the mother hole to form a swing guide ring.

[0007] Preferably, the female hole is circular or elliptical, and the corresponding male hole is also circular or elliptical.

[0008] Preferably, the clamping female block includes a front connecting block, a rear connecting block and two limiting side blocks, the front connecting block and the rear connecting block are respectively provided with a front female hole and a rear female hole, the two limiting side blocks are respectively fixedly clamped between the front connecting block and the rear connecting block and are located on the left and right outer sides of the front female hole and the rear female hole, the front female hole and the rear female hole are connected to each other to form the female hole, and the male block movable socket is formed between the front connecting block, the rear connecting block and the two limiting side blocks.

[0009] Compared with the prior art, the male block of the utility model moves downward under the drive of the upper and lower driving modules of the male block, pressing down the upper edge of the male hole, thereby realizing the automation of holding multiple PVC strips. The structure is simple and exquisite, and it is practical and convenient to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1 This is a structural diagram of an automatic leaf cutter according to an embodiment of the present utility model;

[0011] Figure 2 for Figure 1 Enlarged view of part A;

[0012] Figure 3 This is the first partial structural diagram of the automatic leaf cutter according to the application embodiment of the utility model;

[0013] Figure 4 This is a second partial structural diagram of the automatic leaf cutter according to an embodiment of the present utility model;

[0014] Figure 5 This is a third partial structural diagram of the automatic leaf cutter according to an embodiment of the present utility model;

[0015] Figure 6 This is the fourth partial structural diagram of the automatic leaf cutter according to the embodiment of the present utility model;

[0016] Figure 7 This is the fifth partial structural diagram of the automatic leaf cutter according to the embodiment of the present utility model;

[0017] Figure 8 This is the sixth partial structural diagram of the automatic leaf cutter according to the application embodiment of the utility model. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0019] See also Figures 1 to 8 The automatic leaf cutter comprises a frame 10, an automatic cutting module 20 and a discharging conveyor belt mechanism 30. A mounting platform 11 is mounted on the top rear side of the frame 10, and the mounting platform 11 is provided with a guide hole 111 that is long and narrow in the front and back directions.

[0020] The automatic cutting module 20 includes a PVC strip feeding mechanism 21, a cutting component 22, a mobile manipulator 23, a grabbing clamp 24 and a control system (not shown). The PVC strip feeding mechanism 21 is installed at the rear of the mounting platform 11, and is used to grab and feed several PVC strips forward. The cutting component 22 is installed on the mounting platform 11 and is located directly in front of the PVC strip feeding mechanism 21, and is used to cut PVC strips. The discharging conveyor belt mechanism 30 is placed in the front and lower part of the cutting component 22 in a left-right direction. The mobile manipulator 23 is installed on the frame 10 and is located in the front and upper part of the cutting component 22. The grabbing clamp 24 is connected to the output end of the mobile manipulator 23. The grabbing clamp 24 is used to grab several PVC strips extending in front of the cutting component. The control system is installed on the frame 10, and is used to control the actions of the PVC strip feeding mechanism 21, the cutting component 22, the mobile manipulator 23 and the grabbing clamp 24. In this embodiment, an electrical box 40 is installed on the front face of the frame 10 , and the control system is installed in the electrical box 40 .

[0021] Specifically, the PVC strip feeding mechanism 21 includes a PVC strip clamping component and a clamping component front and rear drive module 214 electrically connected to the control system. The PVC strip clamping assembly includes a clamping female block 211, a male block 212, and a male block up and down driving module 213 electrically connected to the control system. The clamping female block 211 is located above the mounting platform 11. The clamping female block 211 is provided with a female hole 2111 that passes through itself front and back, and a male block moving socket 2112 that passes through itself up and down. The male block moving socket 2112 passes through the inner wall of the female hole 2111, and the male block 212 is provided with a male hole 2121 that passes through itself front and back. The male block up and down driving module 213 is installed on the clamping female block 211, and the output end of the male block up and down driving module 213 is fixedly connected to the top of the male block 212. The male block up and down driving module 213 drives the male block 212 to move up and down. The clamping assembly front and back driving module 214 is installed on the frame 10, and is used to drive the clamping female block 211 to move back and forth. In this embodiment, the male block's up and down drive module is a pneumatic cylinder. The rear wall of the compression female block 211 is formed to protrude rearwardly from the outer edge of the female hole 2111 to form a swing guide ring 2113. In this embodiment, the female hole 2111 is circular, and accordingly, the male hole 2121 is also circular.

[0022] More specifically, the front and rear drive module 214 of the clamping assembly includes a drive motor 2141 electrically connected to the control system, a driving pulley (not shown), a driven pulley 2143, a transmission belt 2144, a belt clamp 2145, front and rear rails 2146, and front and rear sliders 2147. The drive motor 2141 is fixedly mounted on the frame 10 below the mounting platform 11. The output shaft of the drive motor 2141 extends upward and is fixedly connected to the driving pulley 2142, which is located below the mounting platform 11. The driven pulley 2143 is rotatably connected to the frame 10 below the mounting platform 11. The driven pulley 2143 is located directly in front of the driving pulley 2142, and both the driving pulley 2142 and the driven pulley 2143 are located on the left or right side of the guide hole 111. The transmission belt 2144 is wrapped around the driving pulley 2142 and the driven pulley 2143. The lower end of the belt clamp 2145 is clamped on the transmission belt 2144, and the upper end of the belt clamp 2145 passes upward through the guide hole 111 and is fixedly connected to the clamping mother block 211. The front and rear rails 2146 are fixedly installed in the front and rear directions at the bottom of the mounting platform 11 on the other side of the guide hole 111 opposite to the transmission belt 2144. The front and rear sliders 2147 slide forward and backward and are clamped on the front and rear rails 2146. The front and rear sliders 2147 are fixedly connected to the lower end of the belt clamp 2145.

[0023] More specifically, the compression female block 211 includes a front connecting block 2114, a rear connecting block 2115, and two limiting side blocks 2116. The front connecting block 2114 and the rear connecting block 2115 are respectively provided with a front female hole 21141 and a rear female hole 21151. The two limiting side blocks 2116 are detachably fixed and clamped between the front connecting block 2114 and the rear connecting block 2115 and are located on the left and right sides of the front female hole 21141 and the rear female hole 21151. The front female hole 21141 and the rear female hole 21151 are connected to form the female hole 2111. The male block movable socket 2112 is formed between the front connecting block 2114, the rear connecting block 2115, and the two limiting side blocks 2116. The swing guide ring 2113 is provided on the rear wall of the rear connecting block 2115. In this embodiment, the front connecting block 2114, the rear connecting block 2115 and the two limiting side blocks 2116 are respectively provided with front fixing through holes (not shown in the figure), limiting block fixing through holes (not shown in the figure) and rear fixing through holes (not shown in the figure) that are opposite to each other. The fixing screw 50 passes through the front fixing through hole, the limiting block fixing through hole and the rear fixing through hole in turn and is screwed and fixed with the fixing nut 60.

[0024] Specifically, the grasping clamp 24 includes a clamp cylinder 241 electrically connected to the control system, a cylinder seat 242, a cylinder connector 243, a right front sub-claw 244, a right rear sub-claw 245, a left front sub-claw 246, a left rear sub-claw 247, a left connecting shaft 248, an intermediate connecting shaft 249, a right connecting shaft 250, a right front connecting rod 251, a right rear connecting rod 252 and a left connecting vertical rod 253. The cylinder seat 242 is provided with a cylinder mounting hole (not shown) that passes through it from top to bottom. The gripper cylinder 241 is fixedly mounted on the cylinder seat 242, and the output shaft 2411 of the gripper cylinder 241 passes downward through the cylinder mounting hole and is connected to the intermediate connecting shaft 249. One end of the cylinder connecting piece 243 is fixedly connected to the gripper cylinder 241, and the other end of the cylinder connecting piece 243 is fixedly connected to the output end of the mobile manipulator 23. The left end of the right front sub-claw 244 and the right end of the left front sub-claw 246 are both rotatably connected to the front end of the intermediate connecting shaft 249, and the left end of the right rear sub-claw 245 and the right end of the left rear sub-claw 247 are both rotatably connected to the rear end of the intermediate connecting shaft 249. The upper end of the right front connecting rod 251 is fixed to the right front part of the cylinder seat 242. The lower end of the right connecting shaft 250 is fixedly inserted through the right front fixed socket 2511 and is rotatably connected to the right front sub-claw 244, and the rear end of the right connecting shaft 250 is fixedly inserted through the right rear fixed socket and is rotatably connected to the right rear sub-claw 245. The upper end of the left connecting vertical rod 254 is fixed to the left part of the cylinder seat 242, and the lower end of the left connecting vertical rod 253 is provided with a left fixed socket 2531. The left connecting shaft 248 is fixedly inserted through the left fixed socket 2531, and the front and rear ends of the left connecting shaft 248 are rotatably connected to the middle part of the left front sub-claw 246 and the middle part of the left rear sub-claw 247 respectively. The right front claw 244 and the right rear claw 245 are both curved downward from left to right, and the left front claw 246 and the left rear claw 247 are both curved downward from right to left. In this embodiment, the right front claw 244 is located behind the left front claw 246, and the right rear claw 245 is located in front of the left rear claw 247.

[0025] Preferably, a circular movable hole 24111 is provided at the lower end of the output shaft 2411 of the clamping cylinder 241, and a spherical movable head 2491 is provided in the middle of the intermediate connecting shaft 249, and the movable head 2491 is inserted into the movable hole 24111, so that the intermediate connecting shaft 249 is movably connected to the lower end of the output shaft 2411 of the clamping cylinder 241.

[0026] Preferably, the cutting assembly 22 includes a fixed blade block 221, a movable blade block 222, a blade block fixing seat 223, and a blade block lifting module 224 electrically connected to the control system. The blade block fixing seat 223 includes a horizontal fixing block 2231 and a vertical mounting block 2232. The horizontal fixing block 2231 is fixedly mounted on the front side of the top of the mounting platform 11, and the vertical mounting block 2232 is vertically fixed to the top of the horizontal fixing block 2231. The vertical mounting block 2232 is provided with a mounting block through hole 22321 that passes through itself from front to back. The fixed blade block 221 is fixedly mounted on the front wall of the vertical mounting block 2232, and the fixed blade block 221 is provided with a through hole 22321 facing the mounting block through hole 22321. The mounting platform 11 has a fixed blade block through-hole 2211 extending from front to back. A blade block lifting notch 112 is defined in front of the fixed blade block 221. The blade block lifting module 224 is fixedly mounted on the frame 10 below the mounting platform 11. The output end of the blade block lifting module 224 extends upward through the blade block lifting notch 112 to securely connect with the movable blade block 222. The upper rear end of the movable blade block 222 forms a cutting blade 2221, which presses against the front wall of the fixed blade block 221. The mounting block through-hole 22321 faces the female hole 2111. In this embodiment, the blade block lifting module 224 is an electric cylinder.

[0027] When the automatic leaf cutter is working, several PVC strips are inserted from the swing guide ring 2113, and after passing through the female hole 2111 and the male hole 2121, the male block 212 moves downward under the drive of the male block upper and lower driving modules 213, and the upper edge of the male hole 2121 is pressed down to hold the PVC strip, and then the front and rear driving modules 214 of the holding component are started, driving the pressing female block 211 to move forward, so that the PVC strip continues to pass through the installation block through hole 22321 and the fixed knife block through hole 2211 and extend to the front of the movable knife block 222 and the grasping space of the grasping claw 24. At this time, the claw cylinder 241 is started, so that the output shaft 2411 of the claw cylinder 241 is lifted up, The right front claw 244, right rear claw 245, left front claw 246, and left rear claw 247 clamp and hold several PVC strips. Then, the knife block lifting module 224 is activated, causing the movable knife block 222 to move upward to perform a cutting action, thereby completing the cutting of several PVC strips. Afterwards, the mobile manipulator 23 drives the grasping and supporting clamping claw 24 to move forward to directly above the discharge conveyor mechanism 30. Then, the output shaft 2411 of the clamping claw cylinder 241 moves downward, causing the right front claw 244, right rear claw 245, left front claw 246, and left rear claw 247 to open, thereby placing the cut PVC strips onto the discharge conveyor mechanism 30, and the discharge conveyor mechanism 3 transports them to a designated location. The above actions can all be automatically controlled by the control system. This automatic leaf cutter can automatically complete the cutting of several PVC strips, improving cutting efficiency and cutting quality, and avoiding safety hazards for personnel.

[0028] The male block of the utility model moves downwards under the drive of the upper and lower driving modules of the male block, so that the upper edge of the male hole is pressed downwards, thereby realizing the automation of holding multiple PVC strips. The utility model has a simple and exquisite structure and is practical and convenient to use.

[0029] It should be noted that the female hole can also be elliptical or other suitable shapes, and accordingly, the male hole can also be elliptical or other suitable shapes; the number of automatic cutting modules 20 can be flexibly set, such as two groups or three groups or other numbers, and the positions of two or more automatic cutting modules 20 can be flexibly set on the frame as needed.

[0030] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A PVC strip holding assembly, characterized by: It includes a clamping female block, a male block, a male block up and down driving module and a female block front and back driving module. The clamping female block is provided with a female hole that passes through itself front and back, and the clamping female block is provided with a male block moving socket that passes through itself up and down. The male block moving socket passes through the inner wall of the female hole. The male block is provided with a male hole that passes through itself front and back. The male block up and down driving module is installed on the clamping female block, and the output end of the male block up and down driving module is fixedly connected to the top of the male block. The male block up and down driving module drives the male block to move up and down.

2. The PVC strip holding assembly according to claim 1, characterized in that: The rear wall of the pressing female block is protruded backwards outside the edge of the female hole to form a swing guide ring.

3. The PVC strip holding assembly according to claim 1, characterized in that: The female hole is circular or elliptical, and the corresponding male hole is also circular or elliptical.

4. The PVC strip holding assembly according to claim 1, characterized in that: The clamping female block includes a front connecting block, a rear connecting block and two limiting side blocks, the front connecting block and the rear connecting block are respectively provided with a front female hole and a rear female hole, the two limiting side blocks are respectively fixedly clamped between the front connecting block and the rear connecting block and are located on the left and right outer sides of the front female hole and the rear female hole, the front female hole and the rear female hole are connected to each other to form the female hole, and the male block movable socket is formed between the front connecting block, the rear connecting block and the two limiting side blocks.

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