A round tube dish washing position mold

Abstract

The application discloses a round pipe dish position punching die and relates to the technical field of molds.The die comprises a positioning column arranged vertically and matched with the round pipe, first sliding grooves located on opposite sides of the positioning column, a female die, a supporting sleeve, a lower pressing seat, a mandrel fixed to the lower side of the lower pressing seat, punching devices located on opposite sides of the female die and used for punching the round pipe, and a punch groove arranged on one side of the female die.The first insertion groove is arranged on the positioning column and used for inserting the mandrel.The side surface of the positioning column is provided with a positioning groove used for sliding the protrusion on the inner wall of the round pipe.When the mandrel is inserted into the first insertion groove, the mandrel is located between the female dies, and the female dies abut against the opposite sides of the mandrel.The punching device comprises a sliding seat, a punch located on one side of the sliding seat and used for cooperating with the punch groove to realize the punching function, and a driving mechanism used for driving the sliding seat.The die is positioned by using the existing protrusion, four groups of dish positions are punched out at the same time, and the die is convenient, fast, high in precision and convenient to replace the female die after the push rod is pulled out of the second insertion groove.

Description

TECHNICAL FIELD

[0001] The present application belongs to the technical field of molds, and particularly relates to a circular pipe dish position punching mold. BACKGROUND

[0002] In various motor shell production plants, many products are punched by a circular pipe dish position punching process to meet the assembly requirements of the motor in the production process.

[0003] The traditional mold can only punch two groups of dish positions at a time, and two repeated processes are required to punch four groups of dish positions, which is more likely to cause cumulative errors in positioning and increase the risk of position error. SUMMARY

[0004] The purpose of the present application is to overcome the above-mentioned shortcomings of the prior art, and to provide a circular pipe dish position punching mold which can punch four groups of dish positions at a time and has small errors.

[0005] In order to achieve the above-mentioned purpose, the present application adopts the following technical scheme:

[0006] A circular pipe dish position punching mold, comprising a positioning column placed vertically and matched with the circular pipe, a first sliding groove located on the opposite sides of the positioning column, a concave die slidingly connected in the first sliding groove, a supporting sleeve sleeved on the positioning column for supporting the circular pipe, a lower pressing seat for extruding the circular pipe on the supporting sleeve, a core shaft fixedly connected to the lower side of the lower pressing seat, a punching device located on the opposite sides of the concave die for punching the circular pipe; one side of the concave die is provided with a punching groove, and the positioning column is provided with a first insertion groove for inserting the core shaft; the side surface of the positioning column is provided with a positioning groove for sliding the protrusion on the inner wall of the circular pipe; when the core shaft is inserted into the first insertion groove, the core shaft is located between the concave dies, and the concave dies abut against the opposite sides of the core shaft; the punching device comprises a sliding seat, a punch located on one side of the sliding seat for cooperating with the punching groove to realize the punching function, and a driving mechanism for driving the sliding seat.

[0007] As a preferred, the lower pressing device comprises a supporting seat, a lower pressing seat located below the supporting seat, and a buffer spring located between the supporting seat and the lower pressing seat.

[0008] As a preferred, the supporting seat is provided with a second sliding groove, the upper side of the lower pressing seat is fixedly connected with a second guide column, the upper end of the second guide column is located in the second sliding groove, the lower side of the supporting seat is fixedly connected with a limiting plate for preventing the end of the second guide column from leaving the second sliding groove, and the second guide column passes through the limiting plate.

[0009] As preferred, the two sides of the round pipe are respectively provided with two groups of disc positions to be punched, the slide is provided with two punchers, the punchers are located at the two ends of the slide, each puncher is used for punching a group of disc positions, the side of the slide far from the positioning column is provided with a stepped guide surface, the ratio of the height difference between the upper and lower ends of the guide surface and the height difference between the upper and lower ends of the slide is greater than or equal to 90%, the guide surface comprises a plurality of driving surfaces and a plurality of vertical surfaces, the driving surfaces and the vertical surfaces are arranged at intervals, the driving mechanism comprises a driving column for pressing the guide surface downward so that the slide moves toward the positioning column and a force applying spring for applying force to the slide toward the side far from the positioning column, the driving column is located at the side of the slide far from the positioning column, the lower end of the driving column is provided with a matching surface 14 matched with the guide surface, and the driving column is fixedly connected with the pressing seat.

[0010] As preferred, the upper end of the driving column is sleeved with a stabilizing sleeve for stabilizing the driving column, and the upper end of the stabilizing sleeve is fixedly connected with the supporting seat.

[0011] As preferred, the slide is slidingly connected with a base, one end of the force applying spring is connected with the slide, and the other end of the force applying spring is connected with the base.

[0012] As preferred, the upper side of the base is fixedly connected with a counterforce seat, and the driving column is located between the counterforce seat and the slide.

[0013] As preferred, the lower side of the base is provided with a push plate, the base passes through a pull rod for connecting the push plate and the supporting seat, the base passes through a push rod, the push rod is fixedly connected with the push plate, and the lower side of the concave die is provided with a second insertion slot for inserting the push rod; when the upper end of the push rod is inserted into the second insertion slot, the side of the concave die close to the punching groove is aligned with the side surface of the positioning column.

[0014] As preferred, the upper end of the push rod is provided with an inclined surface facilitating insertion into the second insertion slot.

[0015] As preferred, the supporting seat is fixedly connected with a guide sleeve, a vertical column is slidingly connected in the guide sleeve, and the lower end of the vertical column is fixedly connected with the base.

[0016] The present application has the advantages that the present application positions by using the existing protrusions, punches out four groups of disc positions at the same time, is convenient, fast and high in precision, and facilitates replacement of the concave die after the push rod is pulled out of the second insertion slot. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is an embodiment schematic view;

[0018] Figure 2 It is a schematic view during punching;

[0019] Figure 3 It is a top view of the positioning column;

[0020] Figure 4It is a top view of a round pipe.

[0021] In the figure: round pipe 1, positioning column 2, concave die 3, support sleeve 4, sliding seat 5, punching groove 6, punch 7, support seat 8, pressing seat 9, buffer spring 10, driving column 11, driving surface 12, vertical surface 13, force spring 14, base 15, push plate 16, pull rod 17, push rod 18, second sliding groove 19, second guide column 20, limiting plate 21, guide sleeve 22, vertical column 23, stabilizing sleeve 24, counterforce seat 25, first sliding groove 26, protrusion 28, positioning groove 29, mandrel 30. DETAILED DESCRIPTION

[0022] The application is further described in detail below in combination with the drawings and specific embodiments:

[0023] EMBODIMENT

[0024] Reference Figures 1 to 4 A round pipe dish punching position die, comprising vertically placed and round pipe 1 adapted positioning column 2, first sliding groove 26 located on the opposite sides of positioning column 2, concave die 3 slidingly connected in first sliding groove 26, support sleeve 4 sleeved on positioning column 2 for supporting round pipe 1, pressing seat 9 for extruding round pipe 1 on support sleeve 4, mandrel 30 fixedly connected on the lower side of pressing seat 9, punching device for punching round pipe 1 located on the opposite sides of concave die 3;

[0025] One side of the concave die 3 is provided with a punching groove 6, and the positioning column 2 is provided with a first insertion slot for inserting the mandrel 30;

[0026] The side surface of the positioning column 2 is provided with a positioning groove 29 for sliding the protrusion 28 on the inner wall of the round pipe 1;

[0027] When the mandrel 30 is inserted into the first insertion slot, the mandrel 30 is located between the concave dies 3, and the concave dies 3 abut against the opposite sides of the mandrel 30;

[0028] The punching device comprises a sliding seat 5, a punch 7 located on one side of the sliding seat 5 for cooperating with the punching groove 6 to realize the punching function, and a driving mechanism for driving the sliding seat 5.

[0029] The pressing device comprises a support seat 8, a pressing seat 9 located below the support seat 8, and a buffer spring 10 located between the support seat 8 and the pressing seat 9.

[0030] The support seat 8 is provided with a second sliding groove 19, the upper side of the pressing seat 9 is fixedly connected with a second guide column 20, the upper end of the second guide column 20 is located in the second sliding groove 19, the lower side of the support seat 8 is fixedly connected with a limiting plate 21 for preventing the end of the second guide column 20 from leaving the second sliding groove 19, and the second guide column 20 passes through the limiting plate 21.

[0031] The circular tube 1 has two groups of disc positions to be punched on opposite sides, and the slide base 5 is provided with two punch heads 7, the punch heads 7 are located at both ends of the slide base 5, and each punch head 7 is used for punching a group of disc positions;

[0032] The slide base 5 is provided with a stepped guide surface away from the positioning column 2;

[0033] The ratio of the height difference between the upper and lower ends of the guide surface to the height difference between the upper and lower ends of the slide base 5 is greater than or equal to 90%;

[0034] The guide surface comprises a plurality of driving surfaces 12 and a plurality of vertical surfaces 13;

[0035] The driving surfaces 12 and the vertical surfaces 13 are arranged at intervals;

[0036] The driving mechanism comprises a driving column 11 for pressing down the guide surface so that the slide base 5 moves towards the positioning column 2, and a force applying spring 14 for applying a force to the slide base 5 towards the side away from the positioning column 2;

[0037] The driving column 11 is located on the side of the slide base 5 away from the positioning column 2, the lower end of the driving column 11 is provided with a fitting surface 14 matched with the guide surface, and the driving column 11 is fixedly connected with the pressing seat 9.

[0038] The upper end of the driving column 11 is sleeved with a stabilizing sleeve 24 for stabilizing the driving column 11, and the upper end of the stabilizing sleeve 24 is fixedly connected with the supporting seat 8.

[0039] The application also comprises a base 15, the slide base 5 and the base 15 are slidingly connected, one end of the force applying spring 14 is connected with the slide base 5, and the other end of the force applying spring 14 is connected with the base 15.

[0040] The upper side of the base 15 is fixedly connected with a counterforce seat 25, and the driving column 11 is located between the counterforce seat 25 and the slide base 5.

[0041] The lower side of the base 15 is provided with a push plate 16, the base 15 passes through a pull rod 17 for connecting the push plate 16 and the supporting seat 8, the base 15 passes through a push rod 18, the push rod 18 is fixedly connected on the push plate 16, and the lower side of the concave die 3 is provided with a second insertion slot for inserting the push rod 18;

[0042] When the upper end of the push rod 18 is inserted into the second insertion slot, the side of the concave die 3 close to the punch groove 6 is aligned with the side surface of the positioning column 2.

[0043] The upper end of the push rod 18 is provided with an inclined surface for facilitating insertion into the second insertion slot.

[0044] The supporting seat 8 is fixedly connected with a guide sleeve 22, the guide sleeve 22 is slidingly connected with a vertical column 23, and the lower end of the vertical column 23 is fixedly connected with the base 15.

[0045] The principle of the embodiment is:

[0046] The inner wall of the round pipe 1 is pre-processed with a plurality of protrusions 28, which are used for clamping springs, see Figure 4 , the protrusions 28 are used for positioning to punch the disc positions;

[0047] See Figure 1 , initially, the push rod 18 is inserted into the second slot, one side of the concave die 3 and the side surface of the positioning column 2 are aligned, then the round pipe 1 is sleeved, the protrusions 28 slide along the positioning groove 29, the positioning groove 29 plays a positioning role, the lower end of the round pipe 1 abuts against the supporting sleeve 4, then the push plate 16 is lowered, under the action of the pull rod 17, the supporting seat 8 moves downward, the lower pressing seat 9 abuts against the upper end of the round pipe 1, the mandrel 30 is inserted into the first slot, see Figure 1 ;

[0048] The push plate 16 continues to be lowered, the buffer spring 10 is shortened, the driving column 11 moves downward, under the action of the guide surface, the sliding seat 5 moves towards the round pipe 1, the punch 7 punches out the disc positions on the round pipe 1, see Figure 2 ;

[0049] The protrusions 28 are used for positioning, four groups of disc positions are punched out at the same time, which is convenient, fast and high in precision; after the push rod 18 is pulled out of the second slot, the concave die 3 is convenient to replace.

Claims

1. A mold for a round tube dish position, characterized by, The positioning column is vertically placed and circular pipe adapted, the first sliding slot is located on the opposite sides of the positioning column, the concave die is slidingly connected in the first sliding slot, the supporting sleeve is sleeved on the positioning column and used for supporting the circular pipe, the pressing seat is used for extruding the circular pipe on the supporting sleeve, the mandrel is fixedly connected on the lower side of the pressing seat, the punching device is used for punching the circular pipe and located on the opposite sides of the concave die. The concave die is provided with a punching groove on one side, and the positioning column is provided with a first insertion slot for inserting the mandrel. The side surface of the positioning column is provided with a positioning groove for sliding the protrusion on the inner wall of the circular pipe. When the mandrel is inserted into the first insertion slot, the mandrel is located between the concave dies, and the concave dies abut against the opposite sides of the mandrel. The punching device comprises a sliding seat, a punch for cooperating with the punching groove to realize the punching function on one side of the sliding seat, and a driving mechanism for driving the sliding seat. The side of the sliding seat away from the positioning column is provided with a stepped guide surface, the guide surface comprises a plurality of driving surfaces and a plurality of vertical surfaces, the driving surfaces and the vertical surfaces are arranged at intervals, the driving mechanism comprises a driving column for pressing the guide surface to move the sliding seat towards the positioning column, and a force applying spring for applying force to the sliding seat towards the side away from the positioning column, and the lower end of the driving column is provided with a fitting surface matched with the guide surface. The opposite sides of the circular pipe are respectively provided with two groups of disc positions to be punched, the sliding seat is provided with two punches, the punches are located at both ends of the sliding seat, and each punch is used for punching a group of disc positions; the lower side of the base is provided with a push plate, the base passes through a pull rod for connecting the push plate and the supporting seat, the base passes through a push rod, the push rod is fixedly connected to the push plate, and the lower side of the concave die is provided with a second insertion slot for inserting the push rod; when the upper end of the push rod is inserted into the second insertion slot, the side of the concave die close to the punching groove is aligned with the side surface of the positioning column.

2. A circular tube disher site mold according to claim 1, wherein, The pressing device comprises a supporting seat, a pressing seat located below the supporting seat, and a buffer spring located between the supporting seat and the pressing seat.

3. A circular tube disher site mold according to claim 2, wherein, The supporting seat is provided with a second sliding slot, the upper side of the pressing seat is fixedly connected with a second guide column, the upper end of the second guide column is located in the second sliding slot, the lower side of the supporting seat is fixedly connected with a limiting plate for preventing the end of the second guide column from leaving the second sliding slot, and the second guide column passes through the limiting plate.

4. A circular tube disher site mold according to claim 2, wherein, The height difference ratio between the upper and lower ends of the guide surface and the height difference ratio between the upper and lower ends of the sliding seat is greater than or equal to 90%; The driving column is located on the side of the sliding seat away from the positioning column, and the driving column is fixedly connected with the pressing seat.

5. A circular tube disher site mold according to claim 4, wherein, The upper end of the driving column is sleeved with a stabilizing sleeve for stabilizing the driving column, and the upper end of the stabilizing sleeve is fixedly connected with the supporting seat.

6. A circular tube disher site mold according to claim 4 wherein, Further comprising a base, the sliding seat and the base are slidingly connected, one end of the force applying spring is connected with the sliding seat, and the other end of the force applying spring is connected with the base.

7. A circular tube disher site mold according to claim 6 wherein, The upper side of the base is fixedly connected with a counterforce seat, and the driving column is located between the counterforce seat and the sliding seat.

8. A circular tube disher site mold according to claim 1 wherein, The upper end of the push rod is provided with an inclined surface for facilitating insertion into the second insertion slot.

9. A circular tube disher site mold according to claim 2 wherein, The supporting seat is fixedly connected with a guide sleeve, a stand column is slidingly connected in the guide sleeve, and the lower end of the stand column is fixedly connected with the base.

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