Automatic press-fitting equipment for chain pin pieces

Abstract

The utility model relates to the field of chain machining, and particularly discloses automatic press fitting equipment for chain pin pieces. The automatic press-fitting equipment comprises a workbench, a press-fitting module, a chain plate feeding module and a pin shaft feeding module, a bottom die is arranged on the workbench, a press-fitting channel is arranged on the bottom die, and a press-fitting station and a sheet feeding station are arranged on the press-fitting channel; the press-fitting module comprises an upper die and a press-fitting driving part, the chain plate feeding module comprises a chain plate blanking unit and a chain plate pushing mechanism, and the chain plate pushing mechanism comprises a pushing plate and a plate feeding driving unit; the pin shaft feeding module comprises a pin shaft blanking unit and a pin shaft pushing mechanism, and the pin shaft blanking unit comprises a pin shaft blanking die; and the pin shaft pushing mechanism comprises a pin shaft feeding piece and a pin feeding driving unit. The automatic press-fitting equipment can automatically complete press-fitting operation of the pin shaft and the single chain plate, creates conditions for further serial connection of chains, and has the advantages of being reliable in operation and high in automation degree.

Description

Technical Field

[0001] The utility model relates to the field of chain processing, in particular to an automatic press-fitting device for chain pins. Background Art

[0002] Chain is an important transmission component widely used in various mechanical equipment. The installation of pins in the manufacturing process is particularly critical and tedious, and it is difficult to automate. Figure 1 Figure 1 shows the press-fitting of the outer link plate 11 and pin 12 to form the pin-plate assembly 1. Traditional press-fitting methods involve designing specialized tooling, manually inserting and positioning the link plates and pin, and then using a press to complete the press-fitting operation. This method is not only time-consuming and labor-intensive, but can also easily lead to inaccurate press-fitting or damage to the chain due to human error, impacting the quality and lifespan of the final product. Summary of the Invention

[0003] The technical problem to be solved by the utility model is to provide an automated pressing device for chain pins, which can automatically complete the pressing operation of the pin shaft and a single chain plate, creating conditions for further series connection of the chain, and has the advantages of reliable operation and high degree of automation.

[0004] In order to solve the above technical problems, the technical solution provided by the present invention is as follows: an automated press-fitting device for chain pins, comprising at least:

[0005] A workbench, wherein a bottom mold is provided on the workbench, a press-fitting channel is provided on the bottom mold, and a press-fitting station and a film-feeding station are provided on the press-fitting channel;

[0006] A press-fitting module, comprising an upper die and a press-fitting driver. The upper die is located above the press-fitting channel and aligned with the press-fitting station. The press-fitting driver is used to drive the upper die to move up and down.

[0007] The chain plate feeding module includes a chain plate blanking unit and a chain plate pushing mechanism. The chain plate blanking unit is provided with a chain plate conveying channel, and the outlet of the chain plate conveying channel is aligned with the sheet feeding station. The chain plate pushing mechanism includes a push plate and a plate feeding drive unit. The push plate is inserted into the press-fitting channel from one end and is slidably arranged in the press-fitting channel. The plate feeding drive unit is used to drive the push plate to slide back and forth along the press-fitting channel.

[0008] The pin feeding module includes a pin blanking unit and a pin pushing mechanism. The pin blanking unit includes a pin blanking die. The pin blanking die is provided with a pin feeding station and a pin conveying channel. The outlet end of the pin channel is aligned with the pin feeding station. The pin pushing mechanism includes a pin feeding part and a pin feeding drive unit. The pin feeding part is provided with a pin chuck. The pin feeding drive unit is used to drive the pin feeding part to move, thereby realizing the rotation of the pin chuck between the pin feeding station and the pressing station.

[0009] During the pin-plate press-fitting operation, the chain plate feed module first operates, with the push plate pushing the chain plate from the feed station to the press-fitting station. The pin shaft feed station then delivers two corresponding pin shafts onto the chain plate at the press-fitting station. Finally, the press-fitting upper die descends, pressing the pin shafts into the chain plate to form the pin-plate assembly, completing the press-fitting operation. The automated chain pin-plate press-fitting equipment of this application has the advantages of reliable operation and a high degree of automation.

[0010] Preferably, a head-exposing groove is provided at the bottom of the press-fitting channel, and the head-exposing groove extends along the press-fitting channel from the press-fitting station to the outlet end.

[0011] The arrangement of the exposed die can provide space for the pin to further move along the press-fitting channel after being press-fitted.

[0012] Preferably, the press-fitting module further comprises a press-fitting bracket and a press-fitting slider, the press-fitting bracket comprises a plurality of guide columns, the press-fitting slider is slidingly arranged on the guide columns, and the press-fitting drive is used to drive the press-fitting slider to slide; the upper mold is arranged on the press-fitting slider.

[0013] Preferably, the chain plate blanking unit includes a plurality of blanking guide rods arranged on the bottom mold, and the plurality of blanking guide rods are distributed in a ring and enclose a chain plate conveying channel.

[0014] The chain plates can be pre-set in the chain plate conveying channel in a stacked form. The push plate can push out the lowest chain plate when feeding. When the push plate is reset, the chain plate automatically falls down to fill the position under the action of gravity, preparing for the next chain plate push.

[0015] Preferably, the plate feeding drive unit includes a plate feeding slider and a plate feeding cylinder. The plate feeding slider is slidably arranged on the workbench. The plate feeding cylinder is used to drive the plate feeding slider to slide. The push plate is arranged on the plate feeding slider.

[0016] Preferably, the pin blanking unit further comprises a vibration plate and a pin conveying pipe, the pin conveying channel is connected to the vibration plate and the pin blanking die, and the pin conveying channel extends into the pin conveying pipe.

[0017] Preferably, the pin feeding drive unit includes a pin feeding slider and a pin feeding cylinder. The pin feeding slider is slidably arranged on the workbench. The pin feeding cylinder is used to drive the pin feeding slider to slide. The pin shaft feeding part is arranged on the pin feeding slider.

[0018] Preferably, the pin shaft chuck includes clamping arms arranged on both sides of the pin shaft feeding piece, the clamping arms are hinged to the pin shaft feeding piece, and an elastic piece is provided between the clamping arms and the pin shaft feeding piece; a clamping interval is formed between the clamping arms and the pin shaft feeding piece.

[0019] The clamping arm can clamp a pin on both sides of the pin feeding piece. After the press-fitting is completed, when the pin feeding piece retreats and resets, the clamping arm can overcome the elastic force of the elastic piece and open to ensure smooth separation of the pin.

[0020] Preferably, a chain plate positioning module is included, wherein the chain plate positioning module and the pin shaft feeding module are opposite to each other on the left and right sides of the press-fitting channel, and the press-fitting station is located between the chain plate positioning module and the pin shaft feeding module;

[0021] The chain plate positioning module includes a positioning plug-in plate and a positioning drive member. The end of the positioning plug-in plate facing the pressing station is provided with a chain plate adaptation groove; the side of the bottom mold corresponding to the positioning module is provided with a positioning slot, and the positioning slot extends to the pressing channel; the positioning plug-in plate is slidably arranged in the positioning slot, and the positioning drive member is used to drive the positioning plug-in plate to slide.

[0022] After the chain plate is pushed to the press-fitting station, the positioning insert is inserted from one side of the chain plate, and the chain plate adapter groove cooperates with the chain plate to achieve precise positioning of the chain plate and ensure the matching accuracy between the chain plate and the pin shaft.

[0023] Preferably, it further includes a control module, the control module includes a pressure detection unit, and the pressure detection unit is arranged between the positioning plug plate and the positioning drive member.

[0024] During the press-fitting process, the chain and pin must be fed in a certain order. The pin can only be fed after the chain is in place to ensure smooth press-fitting. The control module and the chain positioning module work together to detect whether there is a chain at the press-fitting station and further control the working status of the pin feeding module. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 Schematic diagram of the structure of the pin assembly;

[0026] Figure 2 This is a schematic structural diagram of the first perspective of the automated press-fitting equipment for the chain pins of this embodiment;

[0027] Figure 3This is a schematic structural diagram of the second perspective of the automated press-fitting equipment for chain pins of this embodiment;

[0028] Figure 4 This is a schematic structural diagram of the cooperation between the press-fitting module and the bottom die in the automated press-fitting equipment for the chain pin piece of this embodiment;

[0029] Figure 5 This is a structural diagram of the automated press-fitting equipment for the chain pins of this embodiment, showing a state where the press-fitting module is removed;

[0030] Figure 6 This is a schematic structural diagram of the chain plate feeding module in the automated press-fitting equipment for chain pins of this embodiment;

[0031] Figure 7 This is a schematic diagram of the structure of the chain plate positioning module, the pin shaft feeding module and the bottom mold in the automated press-fitting equipment of the chain pin piece in this embodiment;

[0032] Figure 8 This is a schematic structural diagram of the pin feeder in the automated press-fitting equipment for the chain pins of this embodiment;

[0033] Figure 9 This is a structural schematic diagram of the chain plate positioning module in the automated press-fitting equipment for chain pins in this embodiment. DETAILED DESCRIPTION

[0034] In order to make the purpose, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention. Example

[0035] like Figure 2 and Figure 3 As shown, an automatic press-fitting device for chain pins includes a workbench 2, a press-fitting module 6, a chain plate feeding module 4, a pin shaft feeding module 5 and a chain plate positioning module 3. Figure 4-Figure 6 As shown, the workbench 2 is provided with a bottom die 7, which is provided with a press-fitting channel 73. The press-fitting channel 73 is provided with a press-fitting station 71 and a sheet-feeding station 72. Specifically, a head-exposing groove is provided at the bottom of the press-fitting channel 73, extending along the press-fitting channel 73 from the press-fitting station 71 to the outlet end. The provision of the head-exposing die provides space for the pin to further move along the press-fitting channel 73 after press-fitting.

[0036] like Figure 4As shown, the press-fitting module 6 includes an upper die 62 and a press-fitting driver 61. The upper die 62 is located above the press-fitting channel 73 and aligned with the press-fitting station 71. The press-fitting driver 61 is used to drive the upper die 62 up and down. Specifically, the press-fitting module 6 also includes a press-fitting bracket and a press-fitting slider. The press-fitting bracket includes several guide posts, and the press-fitting slider is slidably mounted on the guide posts. The press-fitting driver 61 is used to drive the press-fitting slider to slide. The upper die 62 is mounted on the press-fitting slider.

[0037] like Figure 5 and Figure 6 As shown, the chain plate feeding module 4 includes a chain plate blanking unit 41 and a chain plate pushing mechanism. The chain plate blanking unit 41 is provided with a chain plate conveying channel, the outlet of which is aligned with the film feeding station 72. Specifically, the chain plate blanking unit 41 includes a plurality of blanking guide rods provided on the bottom mold 7. These blanking guide rods are arranged in a ring and enclose the chain plate conveying channel. The chain plates can be pre-set in a stacked form in the chain plate conveying channel. The push plate 42 can push out the lowest chain plate during feeding. When the push plate 42 is reset, the chain plates automatically fall down under the action of gravity to fill the position, preparing for the next chain plate push.

[0038] like Figure 6 As shown, the chain plate pushing mechanism includes a push plate 42 and a plate feed drive unit 44. The push plate 42 is inserted into the press-fitting channel 73 from one end and slidably disposed within the press-fitting channel 73. The plate feed drive unit 44 is used to drive the push plate 42 to slide back and forth along the press-fitting channel 73. Specifically, the plate feed drive unit 44 includes a plate feed slider 43 and a plate feed cylinder. The plate feed slider 43 is slidably disposed on the workbench 2. The plate feed cylinder is used to drive the plate feed slider 43 to slide. The push plate 42 is disposed on the plate feed slider 43.

[0039] like Figure 3 、 Figure 5 and Figure 7 As shown, the pin feeding module 5 includes a pin blanking unit and a pin pushing mechanism. The pin blanking unit includes a pin blanking die 56, which is provided with a pin feeding station and a pin conveying channel 54. The outlet end of the pin channel is aligned with the pin feeding station. Specifically, the pin blanking unit also includes a vibrating plate 51 and a pin conveying conduit 52. The pin conveying conduit 54 connects the vibrating plate 51 and the pin blanking die 56, and extends into the pin conveying conduit 52.

[0040] like Figure 7As shown, the pin pushing mechanism includes a pin feeder 53 and a pin feed drive unit 55. The pin feeder 53 is provided with a pin chuck. The pin feed drive unit 55 is used to drive the pin feeder 53 to move, thereby enabling the pin chuck to shift between the pin feed station and the press-fit station 71. Specifically, the pin feed drive unit 55 includes a pin feed slider and a pin feed cylinder. The pin feed slider is slidably mounted on the workbench 2. The pin feed cylinder is used to drive the pin feed slider to slide. The pin feeder 53 is mounted on the pin feed slider.

[0041] like Figure 8 As shown, specifically, the pin chuck includes clamping arms 531 disposed on both sides of the pin feeder 53. The clamping arms 531 are hingedly connected to the pin feeder 53, and an elastic member is disposed between the clamping arms 531 and the pin feeder 53. A clamping zone is formed between the clamping arms 531 and the pin feeder 53. The clamping arms 531 can clamp a pin on each side of the pin feeder 53. After press-fitting is completed, when the pin feeder 53 retreats and resets, the clamping arms 531 can overcome the elastic force of the elastic member and open, ensuring smooth separation of the pins.

[0042] like Figure 7 and Figure 9 As shown, the chain plate positioning module 3 and the pin feed module 5 are positioned opposite each other relative to the press-fitting channel 73, and the press-fitting station 71 is located between the chain plate positioning module 3 and the pin feed module 5. The chain plate positioning module 3 includes a positioning insert 32 and a positioning drive 31. The end of the positioning insert 32 facing the press-fitting station 71 is provided with a chain plate adapter groove 33. The side of the bottom mold 7 corresponding to the positioning module is provided with a positioning slot, which extends to the press-fitting channel 73. The positioning insert 32 is slidably disposed in the positioning slot, and the positioning drive 31 is used to drive the positioning insert 32 to slide.

[0043] After the chain plate is pushed to the press-fitting station 71 , the positioning insert 32 is inserted from one side of the chain plate, and the chain plate adapting groove 33 cooperates with the chain plate to achieve accurate positioning of the chain plate and ensure the matching accuracy between the chain plate and the pin shaft.

[0044] During the pin plate press-fitting operation, the chain plate feed module 4 first operates, with the push plate 42 pushing the chain plate from the feed station 72 to the press-fitting station 71. The chain plate positioning module 3 then operates, with the positioning insert 32 pressing the chain plate. The pin shaft feed station then delivers two corresponding pin shafts to the top of the chain plate at the press-fitting station 71. Finally, the press-fitting upper die 62 descends, pressing the pin shafts into the chain plate to form the pin plate assembly, completing the press-fitting operation. The automated press-fitting equipment for chain pin plates of the present application has the advantages of reliable operation and a high degree of automation.

[0045] Furthermore, the system also includes a control module, which includes a pressure detection unit, positioned between the positioning insert 32 and the positioning drive 31. During the press-fitting process, the chain plate and pin are fed in a sequential order; the pin can only be fed after the chain plate is in place to ensure smooth press-fitting. The control module, in conjunction with the chain plate positioning module 3, detects the presence of a chain plate at the press-fitting station 71 and further controls the operating state of the pin feeding module 5.

[0046] In short, the above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. An automated press-fitting device for chain pins, characterized in that: At least: A workbench, wherein a bottom mold is provided on the workbench, a press-fitting channel is provided on the bottom mold, and a press-fitting station and a film-feeding station are provided on the press-fitting channel; A press-fitting module, comprising an upper die and a press-fitting driver. The upper die is located above the press-fitting channel and aligned with the press-fitting station. The press-fitting driver is used to drive the upper die to move up and down. The chain plate feeding module includes a chain plate blanking unit and a chain plate pushing mechanism. The chain plate blanking unit is provided with a chain plate conveying channel, and the outlet of the chain plate conveying channel is aligned with the sheet feeding station. The chain plate pushing mechanism includes a push plate and a plate feeding drive unit. The push plate is inserted into the press-fitting channel from one end and is slidably arranged in the press-fitting channel. The plate feeding drive unit is used to drive the push plate to slide back and forth along the press-fitting channel. The pin feeding module includes a pin blanking unit and a pin pushing mechanism. The pin blanking unit includes a pin blanking die. The pin blanking die is provided with a pin feeding station and a pin conveying channel. The outlet end of the pin channel is aligned with the pin feeding station. The pin pushing mechanism includes a pin feeding part and a pin feeding drive unit. The pin feeding part is provided with a pin chuck. The pin feeding drive unit is used to drive the pin feeding part to move, thereby realizing the rotation of the pin chuck between the pin feeding station and the pressing station.

2. The automated press-fitting equipment according to claim 1, characterized in that: The bottom of the press-fitting channel is provided with an exposed groove, and the exposed groove extends along the press-fitting channel from the press-fitting station to the outlet end.

3. The automated press-fitting equipment according to claim 1, characterized in that: The press-fitting module also includes a press-fitting bracket and a press-fitting slider. The press-fitting bracket includes several guide columns. The press-fitting slider is slidably arranged on the guide columns. The press-fitting drive is used to drive the press-fitting slider to slide; the upper mold is arranged on the press-fitting slider.

4. The automated press-fitting equipment according to claim 1, characterized in that: The chain plate blanking unit comprises a plurality of blanking guide rods arranged on the bottom die, and the plurality of blanking guide rods are distributed in a ring and enclose a chain plate conveying channel.

5. The automated press-fitting equipment according to claim 1, characterized in that: The plate feeding drive unit includes a plate feeding slider and a plate feeding cylinder. The plate feeding slider is slidably arranged on the workbench. The plate feeding cylinder is used to drive the plate feeding slider to slide. The push plate is arranged on the plate feeding slider.

6. The automated press-fitting equipment according to claim 1, characterized in that: The pin blanking unit further comprises a vibration plate and a pin conveying pipe. The pin conveying channel is connected to the vibration plate and the pin blanking die, and the pin conveying channel extends into the pin conveying pipe.

7. The automated press-fitting equipment according to claim 1, characterized in that: The pin feeding drive unit includes a pin feeding slider and a pin feeding cylinder. The pin feeding slider is slidably arranged on the workbench. The pin feeding cylinder is used to drive the pin feeding slider to slide. The pin shaft feeding piece is arranged on the pin feeding slider.

8. The automated press-fitting equipment according to claim 1, characterized in that: The pin shaft chuck includes clamping arms arranged on both sides of the pin shaft feeding piece, the clamping arms are hinged to the pin shaft feeding piece, and an elastic piece is provided between the clamping arms and the pin shaft feeding piece; a clamping interval is formed between the clamping arms and the pin shaft feeding piece.

9. The automated press-fitting equipment according to any one of claims 1 to 8, characterized in that: It also includes a chain plate positioning module, the chain plate positioning module and the pin shaft feeding module are opposite to each other with respect to the press-fitting channel, and the press-fitting station is located between the chain plate positioning module and the pin shaft feeding module; The chain plate positioning module includes a positioning plug-in plate and a positioning drive member. The end of the positioning plug-in plate facing the pressing station is provided with a chain plate adaptation groove; the side of the bottom mold corresponding to the positioning module is provided with a positioning slot, and the positioning slot extends to the pressing channel; the positioning plug-in plate is slidably arranged in the positioning slot, and the positioning drive member is used to drive the positioning plug-in plate to slide.

10. The automated press-fitting equipment according to claim 9, characterized in that: It also includes a control module, which includes a pressure detection unit. The pressure detection unit is arranged between the positioning plug plate and the positioning drive component.

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