Metal chain fixed-length cutter

Abstract

The utility model relates to the technical field of chain machining, in particular to a metal chain fixed-length cutter which can automatically knock a pin shaft on a chain when the chain is cut off, reduces labor intensity, and is convenient to use and high in practicability. Comprising a bottom plate, a support and a workbench, and the workbench is fixedly installed at the upper end of the bottom plate through the support; the device further comprises a fixing mechanism, a rotating mechanism, a knocking mechanism and a positioning mechanism, a vertically-through notch is formed in the workbench, the fixing mechanism is installed on the workbench and used for fixing the chain, the rotating mechanism is installed on the bottom plate, the knocking mechanism and the positioning mechanism are both installed on the rotating mechanism, and the knocking mechanism has a knocking function. And the positioning mechanism has a positioning function.

Description

Technical Field

[0001] The utility model relates to the technical field of chain processing, in particular to a metal chain fixed-length cutter. Background Art

[0002] During the processing, the metal chain needs to be cut to the required length as needed. The metal chain is mainly composed of chain plates, sleeves, pins and rollers. The two adjacent chain plates are connected together by the pins passing through the sleeves. When the chain is cut, the pins at the specified position are hammered out on the chain. In the prior art, the utility model patent with patent application number 202223147821.7 discloses a chain cutting tool, which is mainly composed of a guide rod, a clamping box and a knocking head. When the chain is cut, the chain is clamped and fixed by the clamping box, and the knocking head is aligned with the pin to be knocked out. After that, the staff manually knocks the knocking head to punch out the pin at the corresponding position on the chain on the chain, and the chain is cut. The inventor believes that there are the following problems in its use: when cutting the chain, it is also necessary to manually knock the knocking head. After working for a long time, the staff's arms are sore, the labor intensity is high, and it is inconvenient to use. Utility Model Content

[0003] In order to solve the above technical problems, the utility model provides a metal chain fixed-length cutter which can automatically knock the pin on the chain when cutting the chain, thereby reducing labor intensity, being easy to use and highly practical.

[0004] The utility model discloses a metal chain fixed-length cutter, comprising a base plate, a bracket and a workbench, wherein the workbench is fixedly mounted on the upper end of the base plate through the bracket; further comprising a fixing mechanism, a rotating mechanism, a knocking mechanism and a positioning mechanism, wherein the workbench is provided with notches communicating with each other from top to bottom, the fixing mechanism is mounted on the workbench, the fixing mechanism is used to fix the chain, the rotating mechanism is mounted on the base plate, the knocking mechanism and the positioning mechanism are both mounted on the rotating mechanism, the knocking mechanism has a knocking function, and the positioning mechanism has a positioning function; when cutting the chain, first place the chain on the upper end of the workbench, and then The chain is measured, and the part of the chain that needs to be cut is moved above the notch. The chain is then positioned by the positioning mechanism so that the pin on the chain that needs to be knocked is located directly above the notch. The chain is then fixed by the fixing mechanism. The pin on the chain located above the notch is then knocked by the knocking mechanism, and the pin at the corresponding position on the chain is knocked down on the chain to complete the chain cutting, so that the chain can be cut to a specified length. When cutting the chain, the pin on the chain can be automatically knocked, which reduces labor intensity, is easy to use, and has high practicality.

[0005] Preferably, the fixing mechanism includes two groups of support frames and two groups of bolts, the two groups of support frames are fixedly installed on the upper end of the workbench, the two groups of support frames are respectively located on the left and right parts of the slot, the two groups of bolts are respectively screwed with the upper parts of the two groups of support frames, and the lower ends of the two groups of bolts are provided with pressure plates; when the chain is placed to the specified position on the workbench, the two groups of bolts are rotated to make the pressure plates at the lower ends of the two groups of bolts descend, so that the pressure plates at the lower ends of the two groups of bolts contact the chain, and the chain is pressed and fixed on the workbench, thereby improving the stability of the chain during the cutting process.

[0006] Preferably, the rotating mechanism includes an electric turntable and a rotating shaft, the electric turntable is installed on the base plate, the rotating shaft is installed on the rotating end of the upper part of the electric turntable, and the knocking mechanism and the positioning mechanism are both installed on the rotating shaft; when the chain is cut, when the pin shaft at the corresponding part of the chain is located above the slot, the positioning mechanism is used to position the pin shaft at the corresponding part of the chain, so that the pin shaft to be knocked is located at the corresponding position, which facilitates the knocking of the pin shaft on the chain.

[0007] Preferably, the knocking mechanism includes a fixed plate, a cylinder, a push rod, a connecting plate and an impact head, the fixed plate is fixedly mounted on the front of the rotating shaft, the cylinder is fixedly mounted on the upper end of the fixed plate, the push rod is slid up and down and mounted on the fixed plate, the upper end of the push rod is connected to the output end of the cylinder, the connecting plate is fixedly mounted on the lower end of the push rod, the impact head is fixedly mounted on the lower end of the connecting plate, and the impact head is located above the notch; when the chain is cut off, the cylinder is opened, and the cylinder drives the connecting plate to drive the impact head downward through the push rod, so that the lower end of the impact head contacts the pin shaft at the corresponding position on the chain, and the pin shaft at the corresponding position on the chain is impacted down on the chain; it is convenient to cut off the chain.

[0008] Preferably, the positioning mechanism includes a mounting plate and a laser positioning light, the mounting plate is fixedly mounted on the rear part of the rotating shaft, the laser positioning light is fixedly mounted on the lower end of the mounting plate, the distance between the laser positioning light and the axis of the rotating shaft is equal to the distance between the impact head and the axis of the rotating shaft, and the laser positioning light and the impact head are evenly distributed around the axis of the rotating shaft; when the chain is cut, after the pin shaft at the corresponding position on the chain is moved above the notch, the electric turntable is turned on, and the electric turntable drives the mounting plate to rotate to above the workbench through the rotating shaft, and then the laser positioning light is turned on, so that the laser positioning light emits a light beam downward and shoots out a positioning point, and then the worker The operator moves the chain according to the position of the positioning point emitted by the laser positioning light, so that the pin shaft on the chain that needs to be knocked moves to just below the positioning point, and then fixes the chain through the fixing mechanism, and then uses the electric turntable to rotate the shaft 180 degrees, so that the fixing plate drives the push rod, connecting plate and impact head to rotate to just above the slot. The chain is positioned by the laser positioning light, so after the shaft rotates 180 degrees, the pin shaft at the corresponding position on the chain is just directly below the impact head. Then open the cylinder to make the push rod, connecting plate and impact head impact downward, and use the impact head to knock the pin shaft at the corresponding position on the chain; this facilitates the positioning of the chain.

[0009] Preferably, it also includes a collection box, which is placed on the bottom plate, has an opening at the upper end, and is located below the slot; through the above arrangement, the pin shaft that is impacted when the chain is cut off falls into the collection box for collection, thereby improving convenience.

[0010] Preferably, a scale line is provided on the upper end of the workbench; the above arrangement facilitates the measurement of the chain.

[0011] Compared with the prior art, the utility model has the beneficial effects of automatically knocking the pin shaft on the chain when the chain is cut, thereby reducing labor intensity, being easy to use and having high practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 This is a first axonometric structural diagram of the present invention;

[0013] Figure 2 This is a second axonometric structural diagram of the present invention;

[0014] Figure 3 It is a structural diagram of the workbench, support frame and bolts;

[0015] Figure 4 It is a structural diagram of the rotating mechanism, the knocking mechanism and the positioning mechanism;

[0016] Figure 5 It is a main structural diagram of the present utility model.

[0017] Markings in the accompanying drawings: 1. Base plate; 2. Bracket; 3. Workbench; 4. Notch; 5. Support frame; 6. Bolt; 7. Electric turntable; 8. Rotating shaft; 9. Fixed plate; 10. Cylinder; 11. Push rod; 12. Connecting plate; 13. Impact head; 14. Mounting plate; 15. Laser positioning light; 16. Collection box; 17. Scale line; 18. Chain. DETAILED DESCRIPTION

[0018] To facilitate understanding of the present invention, a more comprehensive description of the present invention will be provided below with reference to the accompanying drawings. The present invention can be implemented in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided to provide a more thorough and comprehensive understanding of the present invention.

[0019] Example 1

[0020] like Figures 1 to 5 The metal chain fixed-length cutter of the present invention includes a base plate 1, a bracket 2, a workbench 3, a fixing mechanism, a rotating mechanism, a knocking mechanism and a positioning mechanism. The workbench 3 is fixedly mounted on the upper end of the base plate 1 through the bracket 2. The workbench 3 is provided with a notch 4 communicating with each other from top to bottom. The fixing mechanism is mounted on the workbench 3. The fixing mechanism is used to fix the chain. The rotating mechanism is mounted on the base plate 1. The knocking mechanism and the positioning mechanism are both mounted on the rotating mechanism. The knocking mechanism has a knocking function, and the positioning mechanism has a positioning function. When cutting the chain 18, first place the chain 18 on the upper end of the workbench 3, and then measure the chain 18. The portion of the chain 18 that needs to be cut is moved above the notch 4, and then the chain 18 is positioned by the positioning mechanism so that the pin on the chain 18 that needs to be struck is located directly above the notch 4, and then the chain 18 is fixed by the fixing mechanism, and then the pin on the chain 18 located above the notch 4 is struck by the striking mechanism, and the pin at the corresponding position on the chain 18 is struck down on the chain 18, completing the cutting of the chain 18, and cutting the chain 18 to a specified length. When the chain 18 is cut, the pin on the chain 18 can be automatically struck, which reduces labor intensity, is easy to use, and has high practicality.

[0021] like Figure 1 and Figure 3 The fixing mechanism includes two groups of support frames 5 and two groups of bolts 6. The two groups of support frames 5 are fixedly installed on the upper end of the workbench 3. The two groups of support frames 5 are respectively located at the left and right parts of the slot 4. The two groups of bolts 6 are respectively screwed with the upper parts of the two groups of support frames 5. The lower ends of the two groups of bolts 6 are provided with pressure plates. When the chain 18 is placed at the specified position on the workbench 3, the two groups of bolts 6 are rotated to make the pressure plates at the lower ends of the two groups of bolts 6 descend, so that the pressure plates at the lower ends of the two groups of bolts 6 contact with the chain 18, and the chain 18 is pressed and fixed on the workbench 3, thereby improving the stability of the chain 18 during the cutting process.

[0022] like Figure 1 and Figure 4 The rotating mechanism includes an electric turntable 7 and a rotating shaft 8. The electric turntable 7 is installed on the base plate 1, and the rotating shaft 8 is installed on the rotating end of the upper part of the electric turntable 7. The knocking mechanism and the positioning mechanism are both installed on the rotating shaft 8; when the chain 18 is cut off, when the pin shaft at the corresponding part of the chain 18 is located above the notch 4, the positioning mechanism is used to position the pin shaft at the position of the chain 18, so that the pin shaft to be knocked is located at the corresponding position, which facilitates the knocking of the pin shaft on the chain 18.

[0023] like Figure 1 and Figure 4 The knocking mechanism includes a fixed plate 9, a cylinder 10, a push rod 11, a connecting plate 12 and an impact head 13. The fixed plate 9 is fixedly mounted on the front part of the rotating shaft 8, the cylinder 10 is fixedly mounted on the upper end of the fixed plate 9, the push rod 11 is slidably mounted on the fixed plate 9 up and down, the upper end of the push rod 11 is connected to the output end of the cylinder 10, the connecting plate 12 is fixedly mounted on the lower end of the push rod 11, and the impact head 13 is fixedly mounted on the lower end of the connecting plate 12, and the impact head 13 is located above the notch 4; when the chain 18 is cut off, the cylinder 10 is opened, and the cylinder 10 drives the connecting plate 12 to drive the impact head 13 downward through the push rod 11, so that the lower end of the impact head 13 contacts the pin at the corresponding position on the chain 18, and the pin at the corresponding position on the chain 18 impacts the chain 18; it is convenient to cut off the chain 18.

[0024] like Figure 4The positioning mechanism includes a mounting plate 14 and a laser positioning light 15. The mounting plate 14 is fixedly mounted on the rear part of the rotating shaft 8, and the laser positioning light 15 is fixedly mounted on the lower end of the mounting plate 14. The distance between the laser positioning light 15 and the axis of the rotating shaft 8 is equal to the distance between the impact head 13 and the axis of the rotating shaft 8. The laser positioning light 15 and the impact head 13 are evenly distributed around the circumference of the axis of the rotating shaft 8. When the chain 18 is cut off, after the pin at the corresponding position on the chain 18 is moved above the slot 4, the electric turntable 7 is turned on. The electric turntable 7 drives the mounting plate 14 to rotate the laser positioning light 15 above the workbench 3 through the rotating shaft 8, and then the laser positioning light 15 is turned on to emit a beam of light downward and shoot out a positioning point. After that, the staff can The laser positioning light 15 emits the position of the positioning point to move the chain 18, so that the pin shaft that needs to be knocked on the chain 18 moves to just below the positioning point, and then the chain 18 is fixed by the fixing mechanism, and then the rotating shaft 8 is rotated one hundred and eighty degrees by the electric turntable 7, so that the fixing plate 9 drives the push rod 11, the connecting plate 12 and the impact head 13 to rotate to just above the slot 4, and the chain 18 is positioned by the laser positioning light 15, so after the rotating shaft 8 rotates one hundred and eighty degrees, the pin shaft at the corresponding position on the chain 18 is just directly below the impact head 13, and then the cylinder 10 is opened to make the push rod 11, the connecting plate 12 and the impact head 13 impact downward, and the pin shaft at the corresponding position on the chain 18 can be knocked by the impact head 13, which facilitates the positioning of the chain 18.

[0025] The collection box 16 is placed on the base plate 1, the upper end of the collection box 16 is open, and the collection box 16 is located below the slot 4; through the above arrangement, the pin shaft impacted by the chain 18 when it is cut off falls into the collection box 16 for collection, thereby improving convenience.

[0026] Example 2

[0027] On the basis of embodiment 1, a scale line 17 is provided on the upper end of the workbench 3 to facilitate the measurement of the chain 18 .

[0028] The electric turntable 7, cylinder 10, impact head 13 and laser positioning light 15 of the metal chain fixed-length cutter of the present invention are all purchased on the market. Technicians in this industry only need to install and operate them according to the accompanying instruction manual, without the need for technical personnel in this field to make creative efforts.

[0029] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principles of the present invention. These improvements and modifications should also be regarded as the scope of protection of the present invention.

Claims

1. A metal chain fixed-length cutter, comprising a base plate (1), a bracket (2) and a workbench (3), wherein the workbench (3) is fixedly mounted on the upper end of the base plate (1) through the bracket (2); characterized in that: The invention also includes a fixing mechanism, a rotating mechanism, a knocking mechanism and a positioning mechanism. A notch (4) communicating with each other from top to bottom is provided on the workbench (3). The fixing mechanism is installed on the workbench (3) and is used to fix the chain. The rotating mechanism is installed on the bottom plate (1). The knocking mechanism and the positioning mechanism are both installed on the rotating mechanism. The knocking mechanism has a knocking function, and the positioning mechanism has a positioning function.

2. A metal chain fixed length cutter according to claim 1, characterized in that: The fixing mechanism comprises two groups of support frames (5) and two groups of bolts (6). The two groups of support frames (5) are fixedly mounted on the upper end of the workbench (3). The two groups of support frames (5) are respectively located at the left and right parts of the slot (4). The two groups of bolts (6) are respectively screwed to the upper parts of the two groups of support frames (5). The lower ends of the two groups of bolts (6) are both provided with pressure plates.

3. A metal chain fixed length cutter according to claim 1, characterized in that: The rotating mechanism comprises an electric turntable (7) and a rotating shaft (8), wherein the electric turntable (7) is mounted on the bottom plate (1), the rotating shaft (8) is mounted on the rotating end of the upper portion of the electric turntable (7), and the knocking mechanism and the positioning mechanism are both mounted on the rotating shaft (8).

4. A metal chain fixed length cutter according to claim 3, characterized in that: The knocking mechanism comprises a fixed plate (9), a cylinder (10), a push rod (11), a connecting plate (12) and an impact head (13), wherein the fixed plate (9) is fixedly mounted on the front portion of the rotating shaft (8), the cylinder (10) is fixedly mounted on the upper end of the fixed plate (9), the push rod (11) is mounted on the fixed plate (9) in an up-and-down sliding manner, the upper end of the push rod (11) is connected to the output end of the cylinder (10), the connecting plate (12) is fixedly mounted on the lower end of the push rod (11), the impact head (13) is fixedly mounted on the lower end of the connecting plate (12), and the impact head (13) is located above the notch (4).

5. A metal chain fixed length cutter as claimed in claim 4, characterized in that: The positioning mechanism comprises a mounting plate (14) and a laser positioning lamp (15), wherein the mounting plate (14) is fixedly mounted on the rear portion of the rotating shaft (8), and the laser positioning lamp (15) is fixedly mounted on the lower end of the mounting plate (14), the distance between the laser positioning lamp (15) and the axis of the rotating shaft (8) is equal to the distance between the impact head (13) and the axis of the rotating shaft (8), and the laser positioning lamp (15) and the impact head (13) are evenly distributed around the circumference of the axis of the rotating shaft (8).

6. A metal chain fixed length cutter according to claim 1, characterized in that: It also includes a collection box (16), which is placed on the bottom plate (1), with an upper end of the collection box (16) being open, and the collection box (16) being located below the slot (4).

7. A metal chain fixed length cutter according to claim 1, characterized in that: A scale mark (17) is provided at the upper end of the workbench (3).

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