A positioning tool for punching key slot

By designing a positioning tool for key punching grooves including positioning units, the problem of inaccurate processing caused by offset during key punching in the prior art is solved, and a higher processing accuracy is achieved.

CN222740102UActive Publication Date: 2025-04-11SHENYANG FORWARD POWER TECH CO LTD
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Patent Information

Application Number
CN202421058694.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-15
Publication Date
2025-04-11
Estimated Expiration
2034-05-15

AI Technical Summary

Technical Problem

In the prior art, there is a lack of a stable positioning mechanism during the key punching groove processing, which leads to easy deviation during the key punching process, resulting in inaccurate processing.

Method used

A positioning tool for key punching grooves including a punching machine body, a workbench, a cylinder, a punching column, a mounting groove, a fixing unit and a positioning unit is designed. Through the coordination of the connecting rod, insertion rod, plug and positioning bucket in the positioning unit, the insertion rod is ensured to be smoothly inserted under the coordination of the positioning bucket, prevent deviation, and perform punching and key processing through the downward pressure of the punching column.

Benefits of technology

It effectively prevents offsets during the key punching process, improves processing accuracy, and ensures the correct processing of the key punching groove.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of punching key slots, and specifically to a positioning tool for punching key slots, including a punching machine body, a workbench, a first cylinder, a punching column, a mounting groove, a fixing unit and a positioning unit, wherein the positioning unit includes a plurality of connecting rods, a plurality of inserting rods, a plurality of inserting tubes and a plurality of positioning buckets, and the mounting groove has a groove. When punching keys, a transmission sprocket is placed in the mounting groove, and the punching column is driven downward by the first cylinder, and then a plurality of inserting rods are respectively inserted into corresponding inserting tubes, and with the cooperation of a plurality of positioning buckets, the inserting rods that can prevent displacement can be smoothly inserted into the interior of the inserting tube with the cooperation of the positioning buckets, and then the transmission sprocket is punched by pressing down the punching column, and the punching column is moved into the groove, thereby completing the punching process, thereby enabling positioning when punching key slots to prevent the occurrence of displacement leading to inaccurate processing.
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Description

Technical Field

[0001] The utility model relates to the technical field of punching keyways, in particular to a positioning tool for punching keyways. Background Art

[0002] Many existing conveyor chains and conveyor sprockets are made of POM. After processing the conveyor sprocket, the keyway is milled out at the position of the conveyor sprocket shaft hole by a milling machine. This has low processing efficiency and increased processing costs. Therefore, many factories use punching machines to punch keyways at the conveyor sprocket shaft hole, but punching keyways by punching machines can easily cause damage to the shaft hole.

[0003] At present, the transmission sprocket is first inserted into the fixed groove, and then the punch column is driven to move downward, and the three punching key blocks are used to punch down evenly the excess material in turn, and avoid punching down too much excess material at one time to cause the transmission sprocket shaft hole to break. When the transmission sprocket key groove is completed, the drive cylinder output shaft is extended, and the connecting plate and the ejector are pushed upward. The ejector pushes the transmission sprocket out of the fixed groove, which makes it convenient to remove the transmission sprocket.

[0004] However, in the aforementioned prior art, there is no stable positioning mechanism when punching the keyway, and deviation is likely to occur during the punching process, resulting in inaccurate processing. Utility Model Content

[0005] The utility model aims to provide a positioning tool for punching keyways, which solves the problem in the prior art that there is no stable positioning mechanism when punching keyways, and that deviation is easy to occur during the punching process, resulting in inaccurate processing.

[0006] To achieve the above-mentioned purpose, the utility model provides a positioning tool for punching key slots, comprising a punch body, a workbench, a first cylinder, a punch column, a mounting groove, a fixing unit and a positioning unit, the positioning unit comprising a plurality of connecting rods, a plurality of inserting rods, a plurality of inserting tubes and a plurality of positioning buckets, the mounting groove has a groove, the punch body is arranged above the workbench, the fixing unit is fixedly connected to the punch body and the workbench, the first cylinder is fixedly connected to the punch body and is located at the inner top wall of the punch body, the punch column is fixedly connected to the bottom end of the first cylinder, the mounting groove is fixedly connected to the upper end of the workbench and is located directly below the punch column, a plurality of the inserting tubes are respectively arranged around the mounting groove, one end of a plurality of the connecting rods is respectively fixedly connected to the lower end of the first cylinder, the other end of a plurality of the connecting rods is respectively fixedly connected to the corresponding inserting rod, and a plurality of the positioning buckets are respectively arranged on the top of the corresponding inserting tube.

[0007] Among them, the positioning tool for punching the key groove also includes a lifting unit, which includes two inclined rods, a second cylinder, a connecting plate and multiple push rods. The bottom of the mounting groove has multiple through holes, one end of the two inclined rods are respectively fixedly connected to the inner bottom wall of the workbench, the other ends of the two inclined rods are respectively fixedly connected to the second cylinder, the connecting plate is fixedly connected to the top of the second cylinder, one end of the multiple push rods are respectively fixedly connected to the upper end of the connecting plate, and the other ends of the multiple push rods respectively pass through the workbench and are located inside the corresponding through holes.

[0008] Wherein, the fixing unit includes a plurality of fixing plates and a plurality of bolts, the plurality of fixing plates are respectively fixedly connected to the workbench and are respectively located at the upper end of the workbench, and the plurality of bolts respectively penetrate the corresponding fixing plates and are respectively located inside the punching machine body.

[0009] Wherein, the positioning tool for punching the keyway further includes a controller, and the controller is fixedly connected to the workbench and is located on the front surface of the workbench.

[0010] Among them, the positioning tool for punching the key slot also includes a heightening block, a third cylinder and a baffle. The heightening block is fixedly connected to the upper end of the workbench and is located on the left side of the mounting groove. The third cylinder is fixedly connected to the upper end of the heightening block, and the baffle is fixedly connected to the right end of the third cylinder.

[0011] The utility model provides a positioning tool for punching a keyway. When punching a key, the transmission sprocket is placed in the installation groove, the punch column is driven to move downward by the first cylinder, and then the plurality of insertion rods are respectively inserted into the corresponding insertion tubes, and with the cooperation of the plurality of positioning buckets, the insertion rods that can prevent displacement can be smoothly inserted into the interior of the insertion tube with the cooperation of the positioning buckets, and then the transmission sprocket is punched with a key by pressing down the punch column, and the punch column is moved into the groove to complete the punching process, thereby enabling positioning when punching the keyway to prevent displacement from causing inaccurate processing. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art are briefly introduced below.

[0013] Figure 1 It is a schematic diagram of the overall structure of the first embodiment of the utility model.

[0014] Figure 2 It is an overall cross-sectional view of the first embodiment of the utility model.

[0015] Figure 3It is an overall structural diagram of the second embodiment of the utility model.

[0016] Figure 4 It is an overall cross-sectional view of the second embodiment of the utility model.

[0017] 101-punch body, 102-workbench, 103-first cylinder, 104-punch column, 105-mounting groove, 106-controller, 107-connecting rod, 108-insertion rod, 109-insertion tube, 110-positioning bucket, 111-oblique rod, 112-second cylinder, 113-connecting plate, 114-thrust rod, 115-fixed plate, 116-bolt, 117-groove, 118-through hole, 201-heightening block, 202-third cylinder, 203-baffle. DETAILED DESCRIPTION

[0018] Embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, but should not be understood as limiting the present invention.

[0019] First embodiment:

[0020] See also Figure 1 and Figure 2 ,in, Figure 1 It is a schematic diagram of the overall structure of the first embodiment of the utility model. Figure 2 It is an overall cross-sectional view of the first embodiment of the utility model.

[0021] The utility model provides a positioning tool for punching key slots, including a punch body 101, a workbench 102, a first cylinder 103, a punch column 104, a mounting groove 105, a fixing unit, a positioning unit, a lifting unit and a controller 106, the positioning unit includes a plurality of connecting rods 107, a plurality of inserting rods 108, a plurality of inserting tubes 109 and a plurality of positioning buckets 110, the lifting unit includes two inclined rods 111, a second cylinder 112, a connecting plate 113 and a plurality of pushing rods 114, the fixing unit includes a plurality of fixing plates 115 and a plurality of bolts 116, the mounting groove 105 is provided with a groove 117, and the bottom of the mounting groove 105 is provided with a plurality of through holes 118.

[0022] According to this specific embodiment, when punching, the transmission sprocket is placed in the installation groove 105, the punch column 104 is driven to move downward by the first cylinder 103, and then the plurality of the insertion rods 108 are respectively inserted into the corresponding insertion tubes 109, and with the cooperation of the plurality of the positioning buckets 110, the insertion rods 108 that can prevent deviation can be smoothly inserted into the interior of the insertion tube 109 with the cooperation of the positioning buckets 110, and then the transmission sprocket is punched by pressing down the punch column 104, and the punch column 104 is moved into the groove 117 to complete the punching process, so that the positioning can be performed when punching the key groove. To prevent inaccurate processing due to offset, when the punching is completed, the first cylinder 103 drives the punch column 104 to return to its original position, and then the second cylinder 112 pushes the connecting plate 113 and the multiple push rods 114 to move upward, thereby lifting the processed objects, which is convenient for the staff to take. Through the cooperation of the multiple fixing plates 115 and the multiple bolts 116, the punch body 101 is fixed above the workbench 102. When the punch body 101 needs maintenance after long-term use, the multiple bolts 116 can be unscrewed and taken out, so as to facilitate the disassembly of the punch body 101.

[0023] Among them, the punch body 101 is arranged above the workbench 102, the fixing unit is fixedly connected to the punch body 101 and the workbench 102, the first cylinder 103 is fixedly connected to the punch body 101 and is located on the inner top wall of the punch body 101, the punch column 104 is fixedly connected to the bottom end of the first cylinder 103, the mounting groove 105 is fixedly connected to the upper end of the workbench 102 and is located directly below the punch column 104, a plurality of the insert cylinders 109 are respectively arranged around the mounting groove 105, one end of a plurality of the connecting rods 107 are respectively fixedly connected to the lower end of the first cylinder 103, the other ends of a plurality of the connecting rods 107 are respectively fixedly connected to the corresponding insert rods 108, and a plurality of the positioning buckets 110 are respectively arranged on the top of the corresponding insert cylinders 109. When punching a key, the transmission sprocket is placed in the installation groove 105, and the punch column 104 is driven to move downward by the first cylinder 103, and then the multiple insertion rods 108 are respectively inserted into the corresponding insertion tubes 109, and with the cooperation of the multiple positioning buckets 110, the insertion rods 108 that can prevent displacement can be smoothly inserted into the interior of the insertion tube 109 with the cooperation of the positioning buckets 110, and then the transmission sprocket is punched by pressing down the punch column 104, and the punch column 104 is moved into the groove 117 to complete the punching process, so that positioning can be performed when punching the key groove to prevent displacement from causing inaccurate processing.

[0024] Secondly, the bottom of the mounting groove 105 has a plurality of through holes 118, one end of the two inclined rods 111 are respectively fixedly connected to the inner bottom wall of the workbench 102, the other ends of the two inclined rods 111 are respectively fixedly connected to the second cylinder 112, the connecting plate 113 is fixedly connected to the top of the second cylinder 112, one end of the plurality of push rods 114 are respectively fixedly connected to the upper end of the connecting plate 113, and the other ends of the plurality of push rods 114 respectively penetrate the workbench 102 and are located inside the corresponding through holes 118. When the punching is completed, the first cylinder 103 drives the punching column 104 to return to the original position, and then the second cylinder 112 pushes the connecting plate 113 and the plurality of push rods 114 to move upward, thereby lifting the processed object, so that it is convenient for the staff to take it.

[0025] At the same time, the plurality of fixing plates 115 are respectively fixedly connected to the workbench 102 and are respectively located at the upper end of the workbench 102, and the plurality of bolts 116 respectively penetrate the corresponding fixing plates 115 and are respectively located inside the punch body 101. Through the cooperation of the plurality of fixing plates 115 and the plurality of bolts 116, the punch body 101 is fixed above the workbench 102. When the punch body 101 needs maintenance after long-term use, the plurality of bolts 116 can be screwed out, thereby facilitating the disassembly of the punch body 101.

[0026] In addition, the controller 106 is fixedly connected to the workbench 102 and is located on the front surface of the workbench 102. The controller 106 is electrically connected to the first cylinder 103 and the second cylinder 112, so that the operator can operate the controller 106 conveniently.

[0027] When using a positioning tool for punching a keyway of the present embodiment, when punching a key, the transmission sprocket is placed in the installation groove 105, the punch column 104 is driven to move downward by the first cylinder 103, and then the plurality of the insertion rods 108 are respectively inserted into the corresponding insertion tubes 109, and with the cooperation of the plurality of the positioning buckets 110, the insertion rods 108 that can prevent deviation can be smoothly inserted into the interior of the insertion tube 109 with the cooperation of the positioning buckets 110, and then the transmission sprocket is punched by pressing down the punch column 104, and the punch column 104 is moved into the groove 117, thereby completing the punching process, so that the keyway can be punched. The punching machine 101 is positioned at the same time to prevent the occurrence of offset and inaccurate processing. After the punching is completed, the first cylinder 103 drives the punching column 104 to return to its original position, and then the second cylinder 112 pushes the connecting plate 113 and the plurality of push rods 114 to move upward, thereby lifting the processed objects, which is convenient for the staff to take. The punching machine body 101 is fixed above the workbench 102 through the cooperation of the plurality of fixing plates 115 and the plurality of bolts 116. When the punching machine body 101 needs maintenance after long-term use, the plurality of bolts 116 can be unscrewed and taken out, thereby facilitating the disassembly of the punching machine body 101.

[0028] Second embodiment:

[0029] Based on the first embodiment, please refer to Figure 3 and Figure 4 ,in, Figure 3 It is a schematic diagram of the overall structure of the second embodiment of the utility model. Figure 4 It is an overall cross-sectional view of the second embodiment of the utility model.

[0030] The utility model provides a positioning tool for punching a key slot, which also includes a heightening block 201 , a third cylinder 202 and a baffle 203 .

[0031] According to this specific embodiment, when the punching is completed, the punch column 104 needs to return to its original position. In order to prevent the object from sticking to the punch column 104 after pressing, the baffle 203 is pushed by the third cylinder 202 to move and move to the top of the object, thereby preventing the object from sticking to the punch column 104 when the punch column 104 returns. Then, when the punch column 104 returns, the third cylinder 202 also drives the baffle 203 to react to its original position.

[0032] The heightening block 201 is fixedly connected to the upper end of the workbench 102 and is located on the left side of the mounting slot 105. The third cylinder 202 is fixedly connected to the upper end of the heightening block 201, and the baffle 203 is fixedly connected to the right end of the third cylinder 202. When the punching is completed, the punching column 104 needs to return to its original position. In order to prevent the object from sticking to the punching column 104 after pressing, the baffle 203 is pushed by the third cylinder 202 to move and move to the top of the object, so as to prevent the object from sticking to the punching column 104 when the punching column 104 returns. Then, when the punching column 104 returns, the third cylinder 202 also drives the baffle 203 to return to its original position.

[0033] When using a positioning tool for punching a keyway of the present embodiment, after punching the key, the punching column 104 needs to return to its original position. In order to prevent the object from sticking to the punching column 104 after being pressed, the baffle plate 203 is pushed by the third cylinder 202 to move and move to the top of the object, thereby preventing the object from sticking to the punching column 104 when the punching column 104 returns. Then, when the punching column 104 returns, the third cylinder 202 also drives the baffle plate 203 to return to its original position.

[0034] What is disclosed above is only one or more preferred embodiments of the present application, and cannot be used to limit the scope of rights of the present application. Ordinary technicians in this field can understand that all or part of the processes of implementing the above embodiments and equivalent changes made according to the claims of the present application are still within the scope covered by the present application.

Claims

1. A positioning tool for punching key slots, characterized in that: It includes a punching machine body, a workbench, a first cylinder, a punching column, a mounting groove, a fixing unit and a positioning unit; The positioning unit includes multiple connecting rods, multiple insertion rods, multiple insertion tubes and multiple positioning buckets. The mounting groove has a groove. The punch body is arranged above the workbench. The fixing unit is fixedly connected to the punch body and the workbench. The first cylinder is fixedly connected to the punch body and is located on the inner top wall of the punch body. The punch column is fixedly connected to the bottom end of the first cylinder. The mounting groove is fixedly connected to the upper end of the workbench and is located directly below the punch column. Multiple insertion tubes are respectively arranged around the mounting groove. One end of multiple connecting rods is respectively fixedly connected to the lower end of the first cylinder, and the other end of multiple connecting rods is respectively fixedly connected to the corresponding insertion rod. Multiple positioning buckets are respectively arranged on the top of the corresponding insertion tube.

2. The keyway positioning tool as claimed in claim 1, characterized in that: The positioning tool for punching the key groove also includes a lifting unit, which includes two inclined rods, a second cylinder, a connecting plate and multiple push rods. The bottom of the mounting groove has multiple through holes. One end of the two inclined rods is respectively fixedly connected to the inner bottom wall of the workbench, and the other ends of the two inclined rods are respectively fixedly connected to the second cylinder. The connecting plate is fixedly connected to the top of the second cylinder, one end of the multiple push rods is respectively fixedly connected to the upper end of the connecting plate, and the other ends of the multiple push rods pass through the workbench and are located inside the corresponding through holes.

3. The positioning tool for punching keyway according to claim 2, characterized in that: The fixing unit includes a plurality of fixing plates and a plurality of bolts. The plurality of fixing plates are respectively fixedly connected to the workbench and are respectively located at the upper end of the workbench. The plurality of bolts respectively penetrate the corresponding fixing plates and are respectively located inside the punching machine body.

4. The positioning tool for punching key slots according to claim 3, characterized in that: The positioning tool for punching the keyway also includes a controller, which is fixedly connected to the workbench and located on the front surface of the workbench.

5. The keyway positioning tool as claimed in claim 4, characterized in that: The positioning tool for punching the key slot also includes a heightening block, a third cylinder and a baffle. The heightening block is fixedly connected to the upper end of the workbench and is located on the left side of the mounting groove. The third cylinder is fixedly connected to the upper end of the heightening block, and the baffle is fixedly connected to the right end of the third cylinder.