A drawing equipment for tee machining

Abstract

The utility model discloses a kind of drawing equipment for tee processing, including base, drawing mechanism, hammer head and hammer feeding mechanism, recess is provided in the upper side of base, for the limit of the pipe blank with the opening of lower side is provided, vertical hole is provided in the upper and lower sides of base, drawing mechanism includes connecting piece, pull rod and pull cylinder, connecting piece includes positioning column, and connector, connector is provided with annular groove along circumference, hammer head includes main body, fastener and button, main body upper and lower sides are provided with sliding slot, and with the insertion slot of connector adaptation, installation groove is provided in the left and right sides of insertion slot, button is slidably connected in sliding slot, button is drivingly connected with fastener, press button, can drive fastener to move into installation groove, hammer feeding mechanism includes electric push rod, and the magnetic block that can adsorb hammer head, electric push rod is connected with magnetic block, can push magnetic block to the upper side of opening.The utility model proposes a kind of drawing equipment for tee processing, pipe blank is not easy to rotate on base, hammer head disassembly is more convenient.

Description

Technical Field

[0001] This utility model relates to the field of tee manufacturing technology, and in particular to a drawing device for tee processing. Background Technology

[0002] Drawing equipment can process tube blanks with side openings into tees. As shown in patent application number CN201010011880.4, existing drawing equipment includes a base, a hammer, and a pull rod. The base has a groove and a vertical hole. During drawing, the tube blank with the side opening is placed in the groove, and the upper end of the pull rod extends into the tube blank through the opening. The worker manually places the hammer into the tube blank and tightens it on the upper end of the pull rod. Under the action of an external power mechanism, the pull rod drives the hammer to move downward. The hammer presses the tube blank downward to form a tee. The hammer leaves the base through the vertical hole. After unscrewing the hammer from the upper end of the pull rod, the next round of drawing continues. Existing drawing equipment has the following drawbacks: First, the tube blank is prone to rotation when placed on the base, which changes the position of the opening and ultimately affects the drawing effect. Second, the hammer needs to be manually placed into the tube blank and tightened. Since the hammer cannot be seen inside the tube blank, it often requires multiple attempts to tighten it successfully. Utility Model Content

[0003] In order to overcome the above-mentioned shortcomings of existing drawing equipment, this utility model proposes a drawing device for tee processing, in which the tube blank is not easily rotated on the base, and the hammer head is more convenient to disassemble and assemble.

[0004] To achieve the above objectives, the present invention adopts the following technical solution: A drawing device for tee processing includes a base, a drawing mechanism, a hammer head, and a hammer feeding mechanism. The base has a groove on its upper side for limiting a tube blank with an opening on its lower side. The base has vertical holes running through its upper and lower sides. The drawing mechanism includes a connector, a pull rod, and a drawing cylinder. The connector includes a positioning post adapted to the opening and a connector head fixedly connected to the upper end of the positioning post. The connector head has an annular groove along its circumference. The drawing cylinder is located below the vertical hole and connected to the connector via the pull rod. The hammer head includes a body, a locking element, and a button, located on one side of the base. The body has sliding grooves on its upper and lower sides, and slots adapted to the connector head. The slots have mounting grooves on their left and right sides. The locking element is slidably connected to the mounting groove, with its inner end protruding from the slot and having an inclined surface. The button is slidably connected to the sliding groove and is drively connected to the locking element. Pressing down the button drives the locking element to move into the mounting groove. The hammer feeding mechanism includes an electric push rod and a magnetic block that can attract the hammer head. The electric push rod is connected to the magnetic block and can push the magnetic block to the upper side of the opening.

[0005] With the above settings, firstly, the hammerhead is conveyed more accurately by an electric push rod, making it easier to connect the hammerhead to the connector; secondly, the hammerhead and connector are connected by a snap-fit ​​mechanism, and the hammerhead can be separated by pressing a button, making it more convenient and quick to assemble and disassemble the hammerhead; thirdly, the positioning column can prevent the tube blank from rotating on the base, improving product accuracy.

[0006] Furthermore, the upper side of the magnetic block is provided with an arc surface that matches the inner diameter of the tube blank. When the magnetic block is located in the tube blank, the upper side of the magnetic block is in contact with the inner wall of the tube blank, and the front end of the arc surface is provided with a chamfer.

[0007] The above settings enhance the safety of the electric linear actuator.

[0008] Furthermore, the upper end of the button protrudes from the upper side of the main body, and the lower side of the magnetic block is provided with a positioning groove that matches the upper end of the button. When the magnetic block attracts the hammer head, the upper end of the button is embedded in the positioning groove.

[0009] The above settings improve the installation accuracy of the hammerhead.

[0010] Furthermore, the hammer head also includes a spring and a push rod. The spring is installed in the mounting groove and connected to the clip. The upper side of the clip is provided with a guide groove with an inclined bottom. The upper end of the push rod is fixedly connected to the button, and the lower end of the push rod is slidably connected to the bottom of the guide groove.

[0011] With the above setup, the button controls the extension and retraction of the locking mechanism via a push rod and spring.

[0012] Furthermore, the hammer head also includes a guide rod. The bottom of the mounting groove is provided with a guide groove that matches the guide rod. One end of the guide rod is slidably connected in the guide groove, and the other end of the guide rod is fixedly connected to the clip.

[0013] The above settings improve the stability of the card's movement in the mounting slot.

[0014] Furthermore, the main body includes a truncated cone, an upper cover plate, and a lower cover plate. The upper side of the truncated cone is provided with a receiving groove that can accommodate the lower end of the button and the push rod. The upper cover plate is installed on the upper side of the truncated cone, and a sliding groove is provided on the upper cover plate. The button passes through the sliding groove and is slidably connected to the sliding groove. The slot and the mounting groove are provided on the lower side of the truncated cone. The lower side of the mounting groove is open. The lower cover plate is installed on the lower side of the truncated cone to block the lower side of the mounting groove. The lower cover plate is provided with a clearance opening for avoiding the connector.

[0015] The above settings facilitate the assembly of the hammerhead.

[0016] Furthermore, the connector also includes a first stud fixedly connected to the lower end of the positioning post, and a first threaded hole is provided at the upper end of the pull rod, with the first stud screwed into the first threaded hole.

[0017] The above settings facilitate the installation and replacement of connectors.

[0018] Furthermore, a second stud is provided on one side of the magnetic block, and a second threaded hole adapted to the second stud is provided at the output end of the electric push rod, and the second stud is screwed into the second threaded hole.

[0019] The above settings facilitate the installation and replacement of magnetic blocks. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of the drawing device used in an embodiment.

[0021] Figure 2 This is a cross-sectional view of the drawing device used in an embodiment.

[0022] Figure 3 for Figure 2 Enlarged view of point A.

[0023] Figure 4 This is a schematic diagram of the hammer head moving to the upper side of the connector head in an embodiment.

[0024] Figure 5 This is a schematic diagram of the connector connecting the hammer head in an embodiment.

[0025] Figure 6 for Figure 5 Enlarged view of point B.

[0026] Figure 7 This is a schematic diagram of the hammer head moving downwards in an embodiment. Detailed Implementation

[0027] The technical solution of this utility model will be further described in detail below through embodiments and in conjunction with the accompanying drawings.

[0028] like Figures 1 to 7A drawing device for tee processing includes a base 3, a drawing mechanism 4, a hammer head 10, and a hammer feeding mechanism 5. The base 3 has a groove 6 on its upper side for limiting a tube blank 8 with an opening 7 on its lower side. The base 3 also has vertical holes 9 extending through its upper and lower sides. The drawing mechanism 4 includes a connector 41, a pull rod 42, and a drawing cylinder 43. The connector 41 includes a positioning post 411 adapted to the opening 7, and a connector head 412 fixedly connected to the upper end of the positioning post 411. The connector head 412 has an annular groove 413 along its circumference. The drawing cylinder 43 is located below the vertical hole 9 and is connected to the connector 41 via the pull rod 42. The hammer head 10 includes a body 101, a clamping part 102, and a button 103. The main body 101 is provided with sliding grooves 11 on the upper and lower sides of the base 3, and slots 12 adapted to the connector 412. The slots 12 are provided with mounting grooves 13 on the left and right sides. The card 102 is slidably connected in the mounting groove 13. The inner end of the card 102 protrudes out of the slot 12 and is provided with a bevel 14. The button 103 is slidably connected in the sliding groove 11. The button 103 is connected to the card 102 in a transmission connection. Pressing down the button 103 can drive the card 102 to move into the mounting groove 13. The hammer feeding mechanism 5 includes an electric push rod 51 and a magnetic block 52 that can attract the hammer head 10. The electric push rod 51 is connected to the magnetic block 52 and can push the magnetic block 52 to the upper side of the opening 7.

[0029] With the above settings, firstly, the hammer head 10 is conveyed more accurately by the electric push rod 51, making it easier for the connector 412 to connect to the hammer head 10. Secondly, the hammer head 10 and the connector 412 are connected by a snap-fit ​​mechanism, and the hammer head 10 can be separated by pressing the button 103, making it easier and faster to assemble and disassemble the hammer head 10. Thirdly, the positioning column 411 can prevent the tube blank 8 from rotating on the base 3, improving product accuracy.

[0030] The groove 6 on the upper side of the base 3 in this application is arc-shaped, and its diameter matches the outer diameter of the tube blank 8. An opening 7 is pre-machined on the lower side of the tube blank 8 using a laser cutting machine. A pulling cylinder 43 is vertically installed below the vertical hole 9. A pulling rod 42 is connected to the upper end of the pulling cylinder 43. The pulling rod 42 extends vertically upwards, and a connecting piece 41 is fixedly connected to its upper end. The positioning post 411 of the connecting piece 41 matches the opening 7. Initially, if... Figure 2 The upper end of the positioning post 411 protrudes from the upper end of the vertical hole 9. The tube blank 8 is placed on the upper side of the base 3, and the lower side of the tube blank 8 fits against the groove 6 to prevent the tube blank 8 from rotating left and right. The positioning post 411 passes through the opening 7 to prevent the tube blank 8 from accidentally rotating around its own axis, so that the opening of the tube blank 8 is accurately facing downwards. The upper side of the hammer head 10 is attracted to the lower side of the magnetic block 52. The magnetic block 52 has a low magnetic force and is only used to temporarily attract the hammer head 10. The extension and retraction direction of the electric push rod 51 is parallel to the tube blank 8. The tube blank is pressed down by hand to prevent the tube blank from moving under the action of magnetic force. The electric push rod 51 extends, driving the magnetic block 52 into the tube blank 8, and driving the hammer head 10 to move above the connector 41. Then the electric push rod 51 stops. Figure 3The clamp 102 has an inclined surface 14 at one end near the axis of the hammer head 10. The upper end of the inclined surface 14 is inclined towards the center of the hammer head 10. By pressing down on the upper side of the tube blank 8, the tube blank 8 is prevented from separating from the base 3. The pull cylinder 43 extends, driving the connector 41 to move upwards. The connector 412 is inserted into the slot 12 and pushes open the clamp 102. After the connector 412 is fully inserted, the pull cylinder 43 stops, and the clamp 102 is engaged in the annular groove 413, thus connecting the connector 41 to the hammer head 10. Figure 6 The cylinder 43 retracts, and the cylinder 43 pulls the hammer 10 downwards via the pull rod 42. The hammer 10 separates from the magnetic block 52 and moves through the opening 7 and the vertical hole 9 to the lower side of the base 3. During this process, the hammer 10 squeezes the tube blank 8, and the lower side of the tube blank 8 is pulled out to form a tee. Figure 7 When the electric push rod 51 retracts, the magnetic block 52 leaves the tube blank 8 and returns to the initial position. When the button 103 is pressed manually, the clamp 102 moves into the mounting groove 13 and separates from the annular groove 413. After the hammer head 10 is removed from the connector 41, it is re-adsorbed on the underside of the magnetic block 52 for the next pull.

[0031] As one implementation, the upper side of the magnetic block 52 is provided with an arc surface that matches the inner diameter of the tube blank 8. When the magnetic block 52 is located in the tube blank 8, the upper side of the magnetic block 52 is in contact with the inner wall of the tube blank 8, and the front end of the arc surface is provided with a chamfer 17.

[0032] The above settings enhance the safety of the electric actuator 51.

[0033] The magnetic block 52 of this application has an arc surface on its upper side. When the magnetic block 52 enters the tube blank 8 under the action of the electric push rod 51, the upper side of the magnetic block 52 slides against the upper inner wall of the tube blank 8. When the connector 412 moves upward under the action of the pull cylinder 43 and inserts into the hammer head 10, the upper side of the magnetic block 52 is supported by the tube blank 8, and the magnetic block 52 will not float up, so that the end of the electric push rod 51 will not be subjected to bending moment, thus protecting the electric push rod 51. A chamfer 17 is provided at the front end of the arc surface to prevent the magnetic block 52 from getting stuck when it enters the tube blank 8.

[0034] As one implementation, the upper end of the button 103 protrudes from the upper side of the main body 101, and the lower side of the magnetic block 52 is provided with a positioning groove 18 that matches the upper end of the button 103. When the magnetic block 52 attracts the hammer head 10, the upper end of the button 103 is embedded in the positioning groove 18.

[0035] The above settings improve the installation accuracy of the hammer head 10.

[0036] The electric actuator 51 of this application adopts a commercially available high-precision electric actuator 51, which will not be described in detail here. It can accurately control the reciprocating movement of the magnetic block 52. When the button 103 of the hammer head 10 is embedded in the positioning groove 18, it can ensure that the hammer head 10 is accurately installed on the underside of the magnetic block 52. When the magnetic block 52 moves to the top of the connector 41, the slot 12 on the underside of the hammer head 10 moves precisely to the top of the connector 412 and aligns with the connector 412, which facilitates the subsequent insertion of the connector 412 into the slot 12.

[0037] As one implementation, the hammer head 10 also includes a spring 104 and a push rod 105. The spring 104 is installed in the mounting groove 13 and connected to the clip 102. The upper side of the clip 102 is provided with a guide groove 19. The bottom of the guide groove 19 is inclined. The upper end of the push rod 105 is fixedly connected to the button 103, and the lower end of the push rod 105 is slidably connected to the bottom of the guide groove 19.

[0038] With the above settings, button 103 controls the extension and retraction of clip 102 via push rod 105 and spring 104.

[0039] Initially, such as Figure 3 When the spring 104 extends, the end of the clip 102 protrudes into the slot 12. When the connector 412 is inserted into the slot 12 and the clip 102 is pushed open, the clip 102 compresses the spring 104. When the connector 412 is fully inserted, the spring 104 returns to its original position, and the clip 102 is inserted into the annular groove 413, thus connecting the connector 41 and the hammer 10. When disassembling the hammer 10, the button 103 is pressed down. The button 103 presses the bottom of the guide groove 19 through the push rod 105. Since the bottom of the groove is inclined, the push rod 105 moves the clip 102 into the mounting groove 13 and separates it from the annular groove 413, making it easy to remove the hammer 10 from the connector 41. After releasing the button 103, the button 103 and the clip 102 return to their original positions.

[0040] As one implementation, the hammer head 10 also includes a guide rod 106. The bottom of the mounting groove 13 is provided with a guide groove 19 that is adapted to the guide rod 106. One end of the guide rod 106 is slidably connected in the guide groove 19, and the other end of the guide rod 106 is fixedly connected to the clip 102.

[0041] The above settings improve the stability of the movement of the card 102 in the mounting slot 13.

[0042] As one implementation, the main body 101 includes a frustum 1011, an upper cover plate 1012, and a lower cover plate 1013. The upper side of the frustum 1011 is provided with a receiving groove 20 that can accommodate the lower end of the button 103 and the push rod 105. The upper cover plate 1012 is installed on the upper side of the frustum 1011. A sliding groove 11 is provided on the upper cover plate 1012. The button 103 passes through the sliding groove 11 and is slidably connected with the sliding groove 11. The slot 12 and the mounting groove 13 are provided on the lower side of the frustum 1011. The lower side of the mounting groove 13 is open. The lower cover plate 1013 is installed on the lower side of the frustum 1011 to block the lower side of the mounting groove 13. The lower cover plate 1013 is provided with a clearance opening 21 for avoiding the connector 412.

[0043] The above settings facilitate the assembly of the hammer head 10.

[0044] The frustum 1011 of this application is basically a frustum shape with a larger top and a smaller bottom, which facilitates the downward pulling of the tube blank 8. When assembling the hammer head 10, first insert the clip 102 and the spring 104 into the mounting groove 13, then use fasteners to install the upper and lower cover plates 1013 on the lower side of the frustum 1011 to prevent the clip 102 from falling out. Then, insert the button 103 and the push rod 105 into the receiving groove 20 on the upper side of the frustum 1011. The lower end of the push rod 105 abuts against the bottom of the guide groove 19. Cover the upper cover plate 1012 and lock it with fasteners to prevent the button 103 from falling out.

[0045] As one implementation, the connector 41 also includes a first stud 414 fixedly connected to the lower end of the positioning post 411, and the upper end of the pull rod 42 is provided with a first threaded hole, and the first stud 414 is screwed into the first threaded hole.

[0046] The above settings facilitate the installation and replacement of connector 41.

[0047] As one implementation, a second stud 22 is provided on one side of the magnetic block 52, and a second threaded hole adapted to the second stud 22 is provided at the output end of the electric push rod 51. The second stud 22 is screwed into the second threaded hole.

[0048] The above settings facilitate the installation and replacement of magnet 52.

[0049] It should be understood that those skilled in the art can make improvements or modifications based on the above description, and all such improvements and modifications should fall within the protection scope of the appended claims.

Claims

1. A drawing device for processing tees, characterized in that, The system includes a base, a pulling mechanism, a hammer head, and a hammer feeding mechanism. The base has a groove on its upper side to limit the movement of a tube blank with an opening on its lower side. The base also has vertical holes extending through its upper and lower sides. The pulling mechanism includes a connector, a pull rod, and a pulling cylinder. The connector includes a positioning post adapted to the opening and a connecting head fixedly connected to the upper end of the positioning post. The connecting head has an annular groove along its circumference. The pulling cylinder is located below the vertical hole and is connected to the connector via the pull rod. The hammer head includes a body, a locking mechanism, and a button. On one side of the base, the main body has sliding grooves on the upper and lower sides, and slots adapted to the connector. The slots have mounting grooves on the left and right sides. The card is slidably connected in the mounting groove. The inner end of the card protrudes from the slot and is provided with a bevel. The button is slidably connected in the sliding groove. The button is connected to the card in a transmission manner. Pressing down the button can drive the card to move into the mounting groove. The hammer feeding mechanism includes an electric push rod and a magnetic block that can attract the hammer head. The electric push rod is connected to the magnetic block and can push the magnetic block to the upper side of the opening.

2. The drawing equipment for processing tees according to claim 1, characterized in that, The upper side of the magnetic block is provided with an arc surface adapted to the inner diameter of the tube blank. When the magnetic block is located in the tube blank, the upper side of the magnetic block is in contact with the inner wall of the tube blank, and the front end of the arc surface is provided with a chamfer.

3. The drawing equipment for tee processing according to claim 1, characterized in that, The upper end of the button protrudes from the upper side of the main body, and the lower side of the magnetic block is provided with a positioning groove that matches the upper end of the button. When the magnetic block attracts the hammer head, the upper end of the button is embedded in the positioning groove.

4. The drawing equipment for processing tees according to claim 3, characterized in that, The hammer head also includes a spring and a push rod. The spring is installed in the mounting groove and connected to the clip. The upper side of the clip is provided with a guide groove with an inclined bottom. The upper end of the push rod is fixedly connected to the button, and the lower end of the push rod is slidably connected to the bottom of the guide groove.

5. The drawing equipment for tee processing according to claim 4, characterized in that, The hammer head also includes a guide rod, and the bottom of the mounting groove is provided with a guide groove adapted to the guide rod. One end of the guide rod is slidably connected in the guide groove, and the other end of the guide rod is fixedly connected to the clip.

6. The drawing equipment for tee processing according to claim 5, characterized in that, The main body includes a frustum, an upper cover plate, and a lower cover plate. The upper side of the frustum is provided with a receiving groove for accommodating the lower end of the button and the push rod. The upper cover plate is installed on the upper side of the frustum. The sliding groove is provided on the upper cover plate. The button passes through the sliding groove and is slidably connected to the sliding groove. The slot and mounting groove are provided on the lower side of the frustum. The lower side of the mounting groove is open. The lower cover plate is installed on the lower side of the frustum to seal the lower side of the mounting groove. The lower cover plate is provided with a clearance opening for avoiding the connector.

7. The drawing equipment for tee processing according to claim 1, characterized in that, The connector also includes a first stud fixedly connected to the lower end of the positioning post, and the upper end of the pull rod is provided with a first threaded hole, and the first stud is screwed into the first threaded hole.

8. The drawing equipment for tee processing according to claim 1, characterized in that, A second stud is provided on one side of the magnetic block, and a second threaded hole adapted to the second stud is provided at the output end of the electric push rod, and the second stud is screwed into the second threaded hole.

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