A bolt forging die that is easy to assemble

Abstract

The present invention proposes a bolt forging die that is easy to assemble, including a bearing platform, an annular seat is arranged parallel to the upper side of the bearing platform, and the edge of the annular seat is connected to the bearing platform through a lifting mechanism; a die base is detachably arranged at the center of the top of the annular seat, a limiting hole for placing a screw is arranged at the center of the die base, and a screw head forming hole is arranged at the top of the limiting hole; the bottom of the bearing platform is mounted on a support frame, and an ejection mechanism for ejecting the screw from the die base is arranged in the middle of the bearing platform. When the present invention is in use, the die base is convenient to disassemble from the annular seat, and it is convenient to assemble a new die base, and the die base can also realize height adjustment under the drive of the adjusting hydraulic cylinder, and the height of the die base must match the bolt to be forged, so the bolt forging die proposed by the present invention is not only convenient to replace the die base when in use, but also can adjust the height of the die base by controlling the adjusting hydraulic cylinder, so that the height matches the height of the bolt forged by the die base.

Description

Technical Field

[0001] The invention relates to the technical field of bolt forging dies, in particular to a bolt forging die which is convenient to assemble. Background Art

[0002] A forging die is a tool that can shape a blank into a die forging. The forging die is a key process equipment necessary for the production of die forgings. It is a tool that needs to be used in every stroke of the equipment and plays a pivotal role in the production of die forgings. In the preparation process of large bolts, it is necessary to cut the cylindrical metal rod into sections. The cut metal rod is the blank for preparing the bolts. Then one end of the blank is heated to soften it. The blank is then placed in the die of the forging press. The forging press then drives the punch to align with the punch, and the heated end of the blank is pressed into the desired shape.

[0003] However, the existing bolt forging die can only forge one type of bolt when in use, because in actual production, the length of the blank is different. Therefore, when the bolt length changes, the traditional die cannot meet the forging requirements and the corresponding forging die needs to be replaced. For this reason, we propose a bolt forging die that is easy to assemble. Summary of the invention

[0004] In view of the deficiency that the existing bolt forging dies cannot be height-adjusted, the present invention provides a bolt forging die that is easy to assemble and has the advantage of adjusting the die base height so that the die base can forge bolts of different heights, thereby solving the problems raised in the above-mentioned background technology.

[0005] The technical solution of the present invention is achieved as follows: a bolt forging die that is easy to assemble includes a bearing platform, an annular seat is arranged parallel to the bearing platform, and the edge of the annular seat is connected to the bearing platform through a lifting mechanism; a die base is detachably arranged at the center of the top of the annular seat, a limiting hole for placing a screw is arranged in the center of the die base, and a screw head forming hole is arranged at the top of the limiting hole; the bottom of the bearing platform is installed on a supporting frame, and an ejection mechanism for ejecting the screw from the die base is arranged in the middle of the bearing platform.

[0006] Preferably, a plurality of third mounting seats are provided on the bottom edge of the mold base, and the third mounting seats are connected to the annular seat via fasteners.

[0007] Preferably, the support frame includes mounting beams arranged on both sides of the bearing platform, support legs are respectively installed at the bottom of both ends of the mounting beams, and a fixing seat is provided at the bottom of the support legs.

[0008] Preferably, the ejection mechanism includes a circular opening in the center of the ejection mechanism, a stopper is placed in the circular opening, and the bottom of the stopper is connected to the top of the ejection hydraulic cylinder; the lower end of the ejection hydraulic cylinder is installed in a strip frame, and the two ends of the strip frame are respectively connected to the reinforcement seats, and the reinforcement seats are respectively located between the mounting beams and their two ends are respectively connected to the mounting beams.

[0009] Preferably, the bottom of the push-out seat is also provided with a second guide shaft parallel to the push-out hydraulic cylinder, and the bottom of the second guide shaft is movably arranged in the strip frame.

[0010] Preferably, the lifting mechanism comprises a plurality of second mounting seats symmetrically mounted on the side surfaces of the annular seat, and the bottoms of the second mounting seats are respectively provided with adjusting hydraulic cylinders, and the bottoms of the adjusting hydraulic cylinders are arranged on the bearing platform.

[0011] Preferably, at least one first mounting seat is symmetrically mounted on the side surface of the annular seat, a first guide shaft parallel to the adjusting hydraulic cylinder is mounted on the bottom of the first mounting seat, and the bottom of the first guide shaft is movably arranged in the bearing platform.

[0012] Preferably, a limiting sleeve is coaxially provided at the bottom of the mold base, and a hole at the center of the limiting sleeve is connected to the limiting hole.

[0013] Preferably, the present invention also includes a measuring tool, which includes a support arranged in the middle of one side of the support platform, and a socket with an axis vertically downward is provided in the support; the measuring tool also includes a support rod, the bottom of the support rod is movably placed in the socket, and a limit ring is coaxially provided on the support rod and placed on the top of the support; a reading scale is provided in parallel on one side of the support rod, and the two ends of the reading scale are respectively connected to the support rod through a connecting seat, and a sliding sleeve is movably sleeved on the support rod, and the sliding sleeve is connected to a reading head on the reading scale; a U-shaped seat is provided on the side of the sliding sleeve away from the reading head, and a measuring rod is rotatably provided in the U-shaped seat, and a baffle for limiting the measuring rod is also provided on the top of the U-shaped seat, and when the measuring rod is rotated to a horizontal state, it contacts the baffle, and a knob for positioning and locking the measuring rod is also provided on the U-shaped seat.

[0014] Compared with the prior art, the present invention is convenient for disassembling the die base from the annular base during use, and convenient for assembling a new die base. Moreover, the die base can also be height-adjusted under the drive of the adjusting hydraulic cylinder. The height of the die base must match the bolts to be forged. Therefore, the bolt forging mold proposed in the present invention is not only convenient for replacing the die base during use, but also can adjust the height of the die base by controlling the adjusting hydraulic cylinder, so that the height matches the height of the bolts forged by the die base, thereby realizing production diversification of the bolt forging mold. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0016] Figure 1 A schematic diagram of the structure of the measuring tool installed in the present invention Figure 1 .

[0017] Figure 2 A schematic diagram of the structure of the measuring tool installed in the present invention Figure 2 .

[0018] Figure 3 This is a schematic diagram of the present invention without the measuring tool.

[0019] Figure 4 It is a cross-sectional view of the present invention.

[0020] In the figure: 1. bearing platform; 2. support; 3. limiting ring; 4. reading scale; 5. support rod; 6. U-shaped seat; 7. reading head; 8. connecting seat; 9. sliding sleeve; 10. measuring rod; 11. screw head forming hole; 12. first mounting seat; 13. second mounting seat; 14. adjusting hydraulic cylinder; 15. strip frame; 16. reinforcing seat; 17. hydraulic cylinder; 18. circular mouth; 19. push seat; 20. mounting beam; 21. supporting leg; 22. fixing seat; 23. annular seat 24.; mold seat; 25. first guide shaft; 26. third mounting seat; 27. limiting hole; 28. limiting sleeve; 29. ​​second guide shaft; 30. baffle. DETAILED DESCRIPTION

[0021] The technical solution of the present invention will be clearly and completely described below in conjunction with the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0022] Reference Figures 1 to 4 The present invention provides a technical solution: a bolt forging die that is easy to assemble, including a bearing platform 1, the bottom of the bearing platform 1 is installed on a supporting frame, the supporting frame includes a mounting beam 20 arranged on both sides of the bearing platform 1, and support legs 21 are respectively installed at the bottom of both ends of the mounting beam 20. A fixing seat 22 is provided at the bottom of the supporting leg 21, and the fixing seat 22 is installed on the forging bed by bolts.

[0023] like Figure 1 As shown, an annular seat 23 is arranged parallel to the carrying platform 1, and the edge of the annular seat 23 is connected to the carrying platform 1 through a lifting mechanism. Figure 1 and Figure 2 As shown, the lifting mechanism includes a plurality of second mounting seats 13 ( Figure 1 The bottom of the second mounting seat 13 is provided with an adjusting hydraulic cylinder 14, and the bottom of the adjusting hydraulic cylinder 14 is arranged on the bearing platform 1, so that the annular seat 23 can be adjusted up and down under the drive of the adjusting hydraulic cylinder 14. In order to make the movement of the annular seat 23 more stable, at least one first mounting seat 12 ( Figure 1 There are two in the middle), a first guide shaft 25 parallel to the adjusting hydraulic cylinder 14 is installed at the bottom of the first mounting seat 12, and the bottom of the first guide shaft 25 is movably arranged in the bearing platform 1. The arranged first guide shaft 25 can support the annular seat 23, so that the up and down movement of the annular seat 23 is more stable.

[0024] In the present application, a mold base 24 is detachably provided at the top center of the annular seat 23. The specific detachable structure includes a third mounting seat 26 disposed at the bottom edge of the mold base 24. There are multiple third mounting seats 26. The third mounting seats 26 are connected to the annular seat 23 by fasteners. The fasteners are bolts, so that the mold base 24 is easy to disassemble and replace. Because in the actual application process, the model and size of each screw are different, so the number of mold bases 24 is also multiple. When producing a bolt, the corresponding mold base 24 is replaced. The mold base 24 is designed to be a detachable structure, which is convenient for assembling a new mold base 24.

[0025] Specifically, a limiting hole 27 for placing the screw is provided at the center of the die base 24, and a screw head forming hole 11 is provided at the top of the limiting hole 27. The screw head forming hole 11 is a regular hexagon or other shape. When in use, one end of the raw material of the screw to be forged (the raw material is a steel bar or an iron bar) is heated to a preset temperature, and then the cold end of the raw material is placed in the limiting hole. A limiting sleeve 28 is coaxially provided at the bottom of the die base 24. The hole at the center of the limiting sleeve 28 is connected to the limiting hole 27. The limiting sleeve 28 is provided to increase the contact area with the screw blank to prevent the screw blank from shaking.

[0026] The height of the die base 24 is just matched with the length of the screw under the drive of the adjustment hydraulic cylinder 14. When the screw raw material is placed in the screw, its bottom is placed on the supporting platform 1. At this time, the heated end of the top of the screw raw material is just located in the screw head forming hole 11, and then the punch is driven by the forging bed to extend into the screw head forming hole 11 to forge the top of the screw raw material.

[0027] In order to facilitate the removal of the forged screw rod, a ejection mechanism for ejecting the screw rod from the die base 24 is provided in the middle of the support platform 1. Figure 4 As shown, the ejection mechanism includes a circular opening 18 opened in the center of the ejection mechanism, a stopper 19 is placed in the circular opening 18, and the bottom of the stopper 19 is connected to the top of the ejection hydraulic cylinder 17; the lower end of the ejection hydraulic cylinder 17 is installed in the strip frame 15, and the two ends of the strip frame 15 are respectively connected to the reinforcement seat 16, and the reinforcement seat 16 is respectively located between the mounting beams 20 and its two ends are respectively connected to the mounting beams 20;

[0028] The set stopper 19 can not only rise and push out the screw under the drive of the push-out hydraulic cylinder 17, but also support the screw, that is, the bottom of the screw placed in the die base 24 is placed on the stopper 19. When the forging bed presses the top of the screw, the force of the screw is completely supported by the stopper 19. Figure 4 As shown, a second guide shaft 29 parallel to the push-out hydraulic cylinder 17 is also provided at the bottom of the push-out seat 19 , and the bottom of the second guide shaft 29 is movably arranged in the strip frame 15 . The second guide shaft 29 can enhance the stability of the push-out seat 19 .

[0029] Furthermore, in the actual application process, when different types of screws need to be produced, the height of the annular seat 23 needs to be adjusted and the corresponding die base needs to be replaced. That is, after the new die base is assembled, the height of the annular seat 23 needs to be adjusted according to the size of the bolt to be produced. At this time, the height of the die base from the stop 19 needs to be measured. Therefore, the present application also includes a measuring tool, such as Figure 1 and Figure 2 As shown, the measuring tool includes a support 2 arranged in the middle of one side of the bearing platform 1, and a socket with an axis vertically downward is provided in the support 2. The measuring tool also includes a support rod 5, the bottom of the support rod 5 is movably placed in the socket, and a limiting ring 3 is coaxially provided on the support rod 5 and is placed on the top of the support 2. When the bottom of the support rod 5 is inserted into the support 2, it can be fixed;

[0030] A reading scale 4 is provided in parallel on one side of the support rod 5. Both ends of the reading scale 4 are connected to the support rod 5 through a connecting seat 8. A sliding sleeve 9 is movably provided on the support rod 5. The sliding sleeve 9 is connected to a reading head 7 on the reading scale 4. When the sliding sleeve 9 moves up and down, the reading head 7 can be driven to move, and the reading on the reading scale 4 can be read.

[0031] A U-shaped seat 6 is provided on the side of the sliding sleeve 9 away from the reading head 7. A measuring rod 10 is rotatably provided in the U-shaped seat 6. A baffle 30 for limiting the measuring rod 10 is also provided on the top of the U-shaped seat 6. When the measuring rod 10 is rotated to a horizontal position, it contacts the baffle 30. A locking knob (not numbered in the figure) for positioning the measuring rod 10 is also provided on the U-shaped seat 6. When not in use, the measuring rod 10 is folded to a state parallel to the support rod 5 for convenient storage and carrying. When in use, the measuring rod 10 is bent out to a horizontal position and then locked by the locking knob. When measuring, the measuring rod 10 is placed above the mold base 24, and then the mold base 24 is controlled to descend under the drive of the adjusting hydraulic cylinder 14. The descending height is displayed on the reading scale 4, which is convenient for adjusting the height of the hydraulic cylinder 14.

[0032] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A bolt forging die that is easy to assemble, comprising a bearing platform (1), characterized in that: An annular seat (23) is arranged parallel to the upper side of the bearing platform (1), and the edge of the annular seat (23) is connected to the bearing platform (1) via a lifting mechanism; A mold base (24) is detachably provided at the center of the top of the annular seat (23), a limiting hole (27) for placing a screw is provided at the center of the mold base (24), and a screw head forming hole (11) is provided at the top of the limiting hole (27); and, The bottom of the bearing platform (1) is mounted on a support frame, and an ejection mechanism for ejecting a screw rod from a mold base (24) is provided in the middle of the bearing platform (1).

2. The bolt forging die that is easy to assemble as claimed in claim 1, characterized in that: A plurality of third mounting seats (26) are provided on the bottom edge of the mold base (24), and the third mounting seats (26) are connected to the annular seat (23) via fasteners.

3. The bolt forging die that is easy to assemble as claimed in claim 1, characterized in that: The support frame comprises mounting beams (20) arranged on both sides of the bearing platform (1), supporting legs (21) are respectively installed at the bottom of both ends of the mounting beam (20), and a fixing seat (22) is provided at the bottom of the supporting leg (21).

4. The bolt forging die that is easy to assemble as claimed in claim 3, characterized in that: The ejection mechanism comprises a circular opening (18) opened in the center of the ejection mechanism, a stopper (19) is placed in the circular opening (18), and the bottom of the stopper (19) is connected to the top of the ejection hydraulic cylinder (17); The lower end of the push-out hydraulic cylinder (17) is installed in the strip frame (15), and the two ends of the strip frame (15) are respectively connected to the reinforcement seat (16), and the reinforcement seat (16) is respectively located between the mounting beams (20) and its two ends are respectively connected to the mounting beams (20).

5. The bolt forging die that is easy to assemble as claimed in claim 4, characterized in that: A second guide shaft (29) parallel to the push-out hydraulic cylinder (17) is also provided at the bottom of the push-out seat (19), and the bottom of the second guide shaft (29) is movably arranged in the strip frame (15).

6. The bolt forging die that is easy to assemble as claimed in claim 1, characterized in that: The lifting mechanism comprises a plurality of second mounting seats (13) symmetrically mounted on the side of the annular seat (23), and the bottoms of the second mounting seats (13) are respectively provided with adjusting hydraulic cylinders (14), and the bottoms of the adjusting hydraulic cylinders (14) are arranged on the bearing platform (1).

7. The bolt forging die that is easy to assemble as claimed in claim 6, characterized in that: At least one first mounting seat (12) is symmetrically mounted on the side of the annular seat (23); a first guide shaft (25) parallel to the adjusting hydraulic cylinder (14) is mounted on the bottom of the first mounting seat (12); and the bottom of the first guide shaft (25) is movably arranged in the bearing platform (1).

8. The bolt forging die that is easy to assemble as claimed in claim 5 or 6, characterized in that: A limiting sleeve (28) is coaxially arranged at the bottom of the mold base (24), and a hole at the center of the limiting sleeve (28) is communicated with the limiting hole (27).

9. The bolt forging die that is easy to assemble as claimed in claim 1, characterized in that: The measuring tool also includes a measuring tool, which includes a support (2) arranged in the middle of one side of the bearing platform (1), and a plug hole with an axis vertically downward is provided in the support (2); The measuring tool also includes a support rod (5), the bottom of the support rod (5) is movably placed in the insertion hole, and a limiting ring (3) is coaxially provided on the support rod (5) and is placed on the top of the support (2); A reading scale (4) is arranged parallel to one side of the support rod (5), and two ends of the reading scale (4) are connected to the support rod (5) through connecting seats (8) respectively. A sliding sleeve (9) is movably sleeved on the support rod (5), and the sliding sleeve (9) is connected to a reading head (7) on the reading scale (4); A U-shaped seat (6) is provided on the side of the sliding sleeve (9) away from the reading head (7), a measuring rod (10) is rotatably provided in the U-shaped seat (6), a baffle (30) for limiting the measuring rod (10) is also provided on the top of the U-shaped seat (6), and when the measuring rod (10) is rotated to a horizontal position, it contacts the baffle (30), and a locking knob for positioning the measuring rod (10) is also provided on the U-shaped seat (6).

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