A high-strength bolt cold heading equipment and process

By designing an oil feeding mechanism in the bolt cold heading equipment, the piston assembly is used to reciprocate in the oil storage barrel, the efficiency of cold heading oil is achieved, and the power loss and cold heading oil caused by the uninterrupted oil supply of existing cold heading machines is solved. The waste problem has achieved efficient use of cold heading oil.

CN119140734BActive Publication Date: 2025-02-14JIANGSU XINCHENG STANDARD PARTS CO LTD
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Patent Information

Application Number
CN202411641817.7
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2024-11-18
Publication Date
2025-02-14
Estimated Expiration
2044-11-18

AI Technical Summary

Technical Problem

The existing cold heading machines are uninterrupted when supplying oil, resulting in increased power loss and waste of cold heading oil.

Method used

A high-strength bolt cold heading equipment is designed, which includes an oil feeding mechanism. The oil feeding mechanism reciprocates in the oil storage barrel through the piston assembly to achieve the saving of cold heading oil. It only feeds oil during stamping and breaks after stamping. Oil.

Benefits of technology

It effectively reduces the waste of cold heading oil, reduces power loss, and can adapt to bolt oil supply of different lengths.

✦ Generated by Eureka AI based on patent content.

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Abstract

The present invention relates to the technical field of bolt production equipment, and discloses a high-strength bolt cold heading equipment and process thereof, comprising a main body bracket, the inner wall of the main body bracket is rotatably connected to a camshaft, the outer edge of the camshaft is fixedly equipped with a driving device, the outer edge of the camshaft is movably sleeved with a connecting block, and the inner wall of the connecting block away from one end of the camshaft is movably sleeved with a movable punching block. The movable punching block is reciprocated horizontally to drive the connecting bracket, the square pipe, the piston connecting ring and the piston assembly to reciprocate in the oil storage barrel, when the movable punching block moves forward, the piston assembly moves forward, and oil can be supplied to pour oil on the bolt, and when the piston assembly moves backward, oil can be pumped into the oil barrel, and at the same time, the cold heading oil will not flow out through the oil outlet pipe and the oil distribution pipe to pour the cold heading oil on the bolt, thereby solving the problem that the existing cold heading machine is uninterrupted during oil supply, which will increase the loss of electric energy and cause waste of cold heading oil.
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Description

Technical Field

[0001] The invention relates to the technical field of bolt production equipment, in particular to high-strength bolt cold heading equipment and a process thereof. Background Art

[0002] Bolts are mechanical parts, cylindrical threaded fasteners that are matched with nuts. A type of fastener consisting of a head and a screw, which must be matched with a nut to fasten two parts with through holes. This type of connection is called a bolt connection. If the nut is unscrewed from the bolt, the two parts can be separated, so the bolt connection is a detachable connection, and a cold heading machine is required in the production of bolts.

[0003] The existing cold heading machine needs to pour cold heading oil on the surface of the bolt when producing bolts. The role of pouring cold heading oil is to lubricate, which can prevent the workpiece from being damaged by burrs, and at the same time reduce the friction between the workpiece and the mold, and cool the workpiece and the mold. The existing equipment supplies oil to the stamping mold through an oil pump, and the oil supply is uninterrupted, which will increase the loss of electricity and cause waste of cold heading oil. Summary of the invention

[0004] The present invention provides a high-strength bolt cold heading device and a process thereof, which solve the problems raised by the above-mentioned background technology.

[0005] The present invention provides the following technical solution: a high-strength bolt cold heading equipment, comprising a main body bracket, the inner wall of the main body bracket is rotatably connected to a camshaft, the outer edge of the camshaft is fixedly equipped with a driving device, the outer edge of the camshaft is movably sleeved with a connecting block, the inner wall of the connecting block away from one end of the camshaft is movably sleeved with a mobile punching block, the outer edge of the mobile punching block is slidably connected to a limiting block, the end of the mobile punching block away from the connecting block is provided with a punching die, and the top of the mobile punching block is fixedly equipped with an oil supply mechanism;

[0006] The oil supply mechanism comprises an oil storage barrel, a left sealing cover is fixedly sleeved on the outer wall of one end of the oil storage barrel, a right sealing cover is fixedly sleeved on the outer wall of the other end of the oil storage barrel, a piston connecting ring is slidably connected to the inner wall of the oil storage barrel, a square pipe is fixedly assembled on the outer edge of the piston connecting ring, and a piston assembly is slidably connected to the inner wall of the square pipe;

[0007] The piston assembly comprises a piston head, the outer wall of the piston head is slidably connected to the inner wall of the oil storage barrel, the outer edge of the piston head is fixedly equipped with a square rod, the outer wall of the square rod is slidably connected to the inner wall of the square pipe, and the end of the square rod away from the piston head is fixedly equipped with a connector;

[0008] The inner wall of the connecting head is threadedly connected to a screw rod, a gear is fixedly sleeved on the outer edge of the screw rod, a worm is meshed on the outer edge of the gear, the outer edge of the screw rod away from one end of the connecting head is movably connected to a mounting bracket, the worm is movably connected to the mounting bracket, and a handle is fixedly mounted on the outer edge of the worm rod.

[0009] As a preferred technical solution of the present invention, the outer wall of the square pipe is slidably connected to the inner wall of the right sealing cover, and the outer wall of the square pipe is fixedly equipped with a connecting bracket, and the connecting bracket is installed on the movable stamping block.

[0010] As a preferred technical solution of the present invention, the connecting bracket is slidably connected to the inner wall away from one end of the square pipe with a slide rail, the outer edge of the slide rail is fixedly equipped with a vertical plate, the top of the vertical plate is fixedly equipped with a fixed bracket, the vertical plate is fixedly equipped on a limit block, and the limit block is fixedly equipped on the inner wall of the main bracket.

[0011] As a preferred technical solution of the present invention, a cold heading oil tank is fixedly mounted on the bottom of the main support, and a refueling pipe runs through the inner cavity of the cold heading oil tank.

[0012] As a preferred technical solution of the present invention, the oil storage barrel is fixedly assembled on a fixed bracket, the inner cavity of the oil storage barrel is penetrated by a top connecting pipe, the outer wall of the top connecting pipe is fixedly sleeved with an oil inlet valve outer body, the inner cavity of the oil inlet valve outer body is provided with a top blocking valve, the outer wall of the top blocking valve is provided with a top through hole, and the inner part of the oil inlet valve outer body away from one end of the top connecting pipe is fixedly sleeved with an oil inlet pipe.

[0013] As a preferred technical solution of the present invention, one end of the oil inlet pipe away from the oil inlet valve outer shell passes through the cold heading oil tank, and a float is fixedly sleeved on the outer wall of the end of the oil inlet pipe away from the oil inlet valve outer shell.

[0014] As a preferred technical solution of the present invention, the inner cavity of the left sealing cover is penetrated by a side connecting pipe, the outer wall of the side connecting pipe is fixedly sleeved with an oil outlet valve outer body, the inner wall of the oil outlet valve outer body is fixedly equipped with a ring, the inner wall of the oil outlet valve outer body is slidably sleeved with a side blocking valve, the outer wall of the side blocking valve is provided with a side through hole, a supporting spring is provided in the middle of the ring and the side blocking valve, the inner wall of the oil outlet valve outer body away from one end of the side connecting pipe is fixedly sleeved with an oil outlet pipe, and the outer wall of the oil outlet pipe is fixedly equipped with an oil distribution pipe.

[0015] A high-strength bolt cold heading process, the production process includes the following steps:

[0016] S1: Treat the surface of the raw material;

[0017] S2: The raw materials are transported and straightened by the transport mechanism;

[0018] S3: Shearing the raw materials by a shearing machine;

[0019] S4: inserting the raw material into the mold through the clamping mechanism;

[0020] S5: The driving device drives the connecting block and the movable punching block to move back and forth in the direction of the punching die, and at the same time drives the oil supply mechanism to operate and pour cold heading oil on the bolts for lubrication and cooling treatment.

[0021] The present invention has the following beneficial effects:

[0022] 1. The high-strength bolt cold heading equipment and process thereof drive the connecting bracket, the square pipe, the piston connecting ring and the piston assembly to reciprocate in the oil storage barrel by moving the stamping block back and forth horizontally. When the stamping block moves forward and the piston assembly moves forward, oil can be supplied so that the oil is poured on the bolt. When the piston assembly moves backward, the oil can be pumped into the oil barrel. At the same time, the cold heading oil will not flow out through the oil outlet pipe and the oil distribution pipe to pour the cold heading oil on the bolt, thereby solving the problem that the existing cold heading machine is uninterrupted during oil supply, which will increase the loss of electric energy and cause waste of cold heading oil.

[0023] 2. The high-strength bolt cold heading equipment and process thereof, by turning the handle, the handle drives the worm to rotate, the worm drives the gear to rotate, the gear drives the screw to rotate, the screw drives the connecting head, the square rod and the piston head to move in the oil storage barrel, the volume of the cold heading oil that can be stored in the oil storage barrel becomes smaller, so that the oil output of the cold heading oil can be reduced, so that the device can supply oil to bolts of different lengths. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 This is a schematic diagram of the front three-dimensional structure of the present invention;

[0025] Figure 2 It is a schematic diagram of the back three-dimensional structure of the present invention;

[0026] Figure 3 This is a schematic diagram of the bolt punching main body structure of the present invention;

[0027] Figure 4 It is a schematic diagram of the cross-sectional structure of the cold heading oil tank of the present invention;

[0028] Figure 5 It is a schematic diagram of the three-dimensional structure of the oil supply mechanism of the present invention;

[0029] Figure 6 It is a schematic diagram of the cross-sectional structure of the oil supply mechanism of the present invention;

[0030] Figure 7 For the present invention Figure 6 A is an enlarged structural diagram;

[0031] Figure 8 For the present invention Figure 6 The enlarged structural diagram at B in FIG.

[0032] Fig. 9 For the present invention Figure 6 The enlarged structural diagram at C in FIG.

[0033] Fig.10 It is a schematic diagram of the structure of the piston assembly of the present invention.

[0034] In the figure: 1. Main frame; 2. Camshaft; 3. Driving device; 4. Connecting block; 5. Moving punching block; 6. Limiting block; 7. Punching die; 8. Oil supply mechanism; 9. Cold heading oil tank; 10. Oil filling pipe;

[0035] 801, oil storage barrel; 802, left sealing cover; 803, right sealing cover; 804, piston connecting ring; 805, square pipe; 806, connecting bracket; 807, piston assembly; 808, slide rail; 809, vertical plate; 810, fixed bracket; 811, top connecting pipe; 812, oil inlet valve outer body; 813, top blocking valve; 814, top through hole; 815, oil inlet pipe; 816, floating ball; 817, side connecting pipe; 818, oil outlet valve outer body; 819, side blocking valve; 820, side through hole; 821, ferrule; 822, support spring; 823, oil outlet pipe; 824, oil distribution pipeline;

[0036] 8071. piston head; 8072. square rod; 8073. connector; 8074. screw rod; 8075. gear; 8076. worm; 8077. handle; 8078. mounting bracket. DETAILED DESCRIPTION

[0037] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in 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.

[0038] See also Figure 1-Figure 10A high-strength bolt cold heading equipment comprises a main support 1, the inner wall of the main support 1 is rotatably connected with a camshaft 2, the outer edge of the camshaft 2 is fixedly equipped with a driving device 3, the outer edge of the camshaft 2 is movably sleeved with a connecting block 4, the inner wall of the connecting block 4 away from the camshaft 2 is movably sleeved with a mobile punching block 5, the outer edge of the mobile punching block 5 is slidably connected with a limiting block 6, the end of the mobile punching block 5 away from the connecting block 4 is provided with a punching die 7, the top of the mobile punching block 5 is fixedly equipped with an oil supply mechanism 8, the driving device 3 is rotated to drive one end of the connecting block 4 to rotate, so that one end of the connecting block 4 makes a circular motion, so that the mobile punching block 5 can get a reciprocating motion, at this time the mobile punching block 5 makes a horizontal movement on the limiting block 6, so that the mobile punching block 5 contacts the punching die 7, so that the bolt rod can be punched;

[0039] The oil supply mechanism 8 includes an oil storage barrel 801, a left sealing cover 802 is fixedly sleeved on the outer wall of one end of the oil storage barrel 801, a right sealing cover 803 is fixedly sleeved on the outer wall of the other end of the oil storage barrel 801, a piston connecting ring 804 is slidably connected to the inner wall of the oil storage barrel 801, a square pipe 805 is fixedly assembled on the outer edge of the piston connecting ring 804, and a piston assembly 807 is slidably connected to the inner wall of the square pipe 805. By utilizing the setting of the oil storage barrel 801, cold heading oil can be stored in the oil storage barrel 801, oil can be supplied by moving the piston assembly 807 forward in the oil storage barrel 801, and oil can be pumped by moving the piston assembly 807 backward in the oil storage barrel 801, so that cold heading oil can be pumped into the oil storage barrel 801, and the piston assembly 807 is driven to move back and forth by moving the stamping block 5 to move back and forth, so that the bolts can be lubricated with oil during stamping, and the oil can be cut off when not stamping, thereby reducing the waste of cold heading oil.

[0040] In a preferred embodiment, the piston assembly 807 includes a piston head 8071, the outer wall of the piston head 8071 is slidably connected to the inner wall of the oil storage barrel 801, the outer edge of the piston head 8071 is fixedly equipped with a square rod 8072, the outer wall of the square rod 8072 is slidably connected to the inner wall of the square pipe 805, and the end of the square rod 8072 away from the piston head 8071 is fixedly equipped with a connector 8073, and the piston head 8071 is tightly fitted with the oil storage barrel 801, so that one end of the oil storage barrel 801 can retain cold heading oil, and the cold heading oil will not leak to the other end, thereby improving the rationality of the device, and the square rod 8072 is slidably connected to the square pipe 805, so that the square rod 8072 can move in the square pipe 805, and the square pipe 805 can prevent the square rod 8072 from rotating, so that the piston head 8071 can control the volume of the oil stored in the oil storage barrel 801, and can supply oil to bolts of different lengths;

[0041] In a preferred embodiment, the inner wall of the connecting head 8073 is threadedly connected with a screw rod 8074, the outer edge of the screw rod 8074 is fixedly sleeved with a gear 8075, the outer edge of the gear 8075 is meshed with a worm 8076, the outer edge of the screw rod 8074 away from the connecting head 8073 is movably connected with a mounting bracket 8078, the worm 8076 is movably connected to the mounting bracket 8078, and the outer edge of the worm 8076 is fixedly equipped with a handle 8077, by rotating the handle 8077, the handle 8077 drives the worm 8076 to rotate, the worm 8076 drives the gear 8075 to rotate, and the gear 8075 drives the screw rod 8074 to rotate, so that the screw rod 8074 can push the connecting head 8073, the square rod 8072 and the piston head 8071 to move in the oil storage barrel 801, so that the volume of cold heading oil that can be stored in the oil storage barrel 801 can be changed, thereby improving the flexibility of the device.

[0042] In a preferred embodiment, the outer wall of the square pipe 805 is slidably connected to the inner wall of the right sealing cover 803, and the outer wall of the square pipe 805 is fixedly equipped with a connecting bracket 806, which is installed on the movable stamping block 5. The square pipe 805 is installed on the movable stamping block 5 through the connecting bracket 806, so that the movable stamping block 5 can drive the connecting bracket 806, the square pipe 805, and the piston connecting ring 804 and the piston assembly 807 to reciprocate when moving back and forth, thereby improving the rationality of the device.

[0043] In a preferred embodiment, the connecting bracket 806 is slidably connected to the inner wall of one end of the square pipe 805 with a slide rail 808, and a vertical plate 809 is fixedly installed on the outer edge of the slide rail 808. The top of the vertical plate 809 is fixedly installed with a fixed bracket 810. The vertical plate 809 is fixedly installed on the limit block 6, and the limit block 6 is fixedly installed on the inner wall of the main bracket 1. By using the setting of the slide rail 808, the slide rail 808 is in a horizontal straight state, so that the connecting bracket 806 is also in a horizontal state when moving, so that the piston assembly 807 can perform smooth piston movement in the oil storage barrel 801, thereby improving the stability of the device.

[0044] In a preferred embodiment, a cold forging oil tank 9 is fixedly assembled at the bottom of the main frame 1, and a filling pipe 10 runs through the inner cavity of the cold forging oil tank 9. Through the setting of the cold forging oil tank 9, cold forging oil can be stored in the cold forging oil tank 9, and by adding cold forging oil into the filling pipe 10, the cold forging oil can flow into the cold forging oil tank 9.

[0045] In a preferred embodiment, the oil storage barrel 801 is fixedly assembled on the fixed bracket 810, the inner cavity of the oil storage barrel 801 is penetrated by a top connecting pipe 811, the outer wall of the top connecting pipe 811 is fixedly sleeved with an oil inlet valve outer shell 812, the inner cavity of the oil inlet valve outer shell 812 is provided with a top plug valve 813, the outer wall of the top plug valve 813 is provided with a top through hole 814, the inner part of the oil inlet valve outer shell 812 away from the end of the top connecting pipe 811 is fixedly sleeved with an oil inlet pipe 815, when the piston head 8071 moves forward During movement, the cold forging oil in the oil storage barrel 801 may be squeezed, and the cold forging oil will push the top plugging valve 813 upwards, and the oil inlet valve outer shell 812 and the oil inlet pipe 815 are sealed through the top plugging valve 813, so that the cold forging oil will not flow back into the cold forging oil tank 9 through the oil inlet pipe 815. When the piston head 8071 moves backward, the top plugging valve 813 does not seal the oil inlet valve outer shell 812 and the oil inlet pipe 815, so that the cold forging oil can be drawn into the oil storage barrel 801 through the top through hole 814.

[0046] In a preferred embodiment, one end of the oil inlet pipe 815 away from the oil inlet valve outer shell 812 passes through the cold forging oil tank 9, and the outer wall of the oil inlet pipe 815 away from the oil inlet valve outer shell 812 is fixedly sleeved with a float 816. Due to the setting of the float 816, the float 816 has buoyancy, so that the float 816 will float above the cold forging oil, so that the oil inlet pipe 815 will not be located at the bottom of the cold forging oil tank 9, and the sediment at the bottom of the cold forging oil tank 9 will not be drawn into the oil inlet pipe 815, thereby avoiding blockage and improving the stability of the device.

[0047] In a preferred embodiment, the inner cavity of the left sealing cover 802 is penetrated by a side connecting pipe 817, the outer wall of the side connecting pipe 817 is fixedly sleeved with an oil outlet valve outer body 818, the inner wall of the oil outlet valve outer body 818 is fixedly equipped with a collar 821, the inner wall of the oil outlet valve outer body 818 is slidably sleeved with a side blocking valve 819, the outer wall of the side blocking valve 819 is provided with a side through hole 820, the collar 821 and the middle part of the side blocking valve 819 are provided with a supporting spring 822, the inner wall of the oil outlet valve outer body 818 away from the side connecting pipe 817 is fixedly sleeved with an oil outlet pipe 823, the outer wall of the oil outlet pipe 823 is fixedly equipped with an oil distribution pipe 824, when the piston When the head 8071 moves forward, the cold forging oil in the oil storage barrel 801 is squeezed by the piston head 8071, so that the side blocking valve 819 is pushed open. At this time, the cold forging oil enters the oil outlet valve outer shell 818 through the side connecting pipe 817 and the side through hole 820, and then flows out through the oil outlet pipe 823 and the oil distribution pipe 824, so that the bolts can be poured with cold forging oil, which improves the rationality of the device. Through the setting of the support spring 822, the support spring 822 supports the side blocking valve 819, so that the side blocking valve 819 seals the oil outlet valve outer shell 818 and the side connecting pipe 817, so that the cold forging oil will not flow out when the equipment is in a stationary state.

[0048] A high-strength bolt cold heading process, the production process includes the following steps:

[0049] S1: Treat the surface of the raw material;

[0050] S2: The raw materials are transported and straightened by the transport mechanism;

[0051] S3: Shearing the raw materials by a shearing machine;

[0052] S4: Insert the raw material into the mold through the clamping mechanism

[0053] S5: The driving device 3 drives the connecting block 4 and the movable punching block 5 to move back and forth in the direction of the punching die 7, and at the same time drives the oil supply mechanism 8 to operate and pour cold heading oil on the bolts for lubrication and cooling treatment.

[0054] Working principle: when in use, the driving device 3 rotates to drive one end of the connecting block 4 located on the camshaft 2 to rotate, and the connecting block 4 located on the camshaft 2 makes a circular motion, and the movable stamping block 5 can obtain a reciprocating motion. At this time, the movable stamping block 5 makes a horizontal motion on the limit block 6, and the movable stamping block 5 contacts the stamping die 7 to stamp the bolt rod. At this time, the movable stamping block 5 drives the connecting bracket 806, the square pipe 805, the piston connecting ring 804 and the piston assembly 807 to reciprocate in the oil storage barrel 801 when making a horizontal motion. At this time, cold forging oil is retained in the oil storage barrel 801. When the piston assembly 807 moves forward, it pushes the cold forging oil. The cold forging oil pushes the top plugging valve 813 upward, and the oil inlet valve outer shell 812 and the oil inlet pipe 815 are sealed through the top plugging valve 813. At this time, the cold forging oil The forging oil will not flow back into the cold forging oil tank 9 through the oil inlet pipe 815. At the same time, the cold forging oil will push open the side blocking valve 819, and the cold forging oil will enter the oil outlet valve outer shell 818 through the side connecting pipe 817 and the side through hole 820, and then flow out through the oil outlet pipe 823 and the oil distribution pipe 824 to pour the cold forging oil on the bolts. When it is necessary to pour the cold forging oil on the short bolts, by turning the handle 8077, the handle 8077 drives the worm 8076 to rotate, the worm 8076 drives the gear 8075 to rotate, the gear 8075 drives the screw rod 8074 to rotate, and the screw rod 8074 pushes the connecting head 8073, the square rod 8072 and the piston head 8071 to move in the oil storage barrel 801, and the volume of the cold forging oil that can be stored in the oil storage barrel 801 becomes smaller, and the oil output of the cold forging oil can be reduced at this time.

[0055] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0056] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A high-strength bolt cold heading device, comprising a main frame (1), characterized in that: The inner wall of the main support (1) is rotatably connected to a camshaft (2); the outer edge of the camshaft (2) is fixedly equipped with a driving device (3); the outer edge of the camshaft (2) is movably sleeved with a connecting block (4); the inner wall of the connecting block (4) at one end away from the camshaft (2) is movably sleeved with a movable punching block (5); the outer edge of the movable punching block (5) is slidably connected to a limiting block (6); the end of the movable punching block (5) away from the connecting block (4) is provided with a punching die (7); and the top of the movable punching block (5) is fixedly equipped with an oil supply mechanism (8); The oil supply mechanism (8) comprises an oil storage barrel (801), a left sealing cover (802) being fixedly sleeved on the outer wall of one end of the oil storage barrel (801), a right sealing cover (803) being fixedly sleeved on the outer wall of the other end of the oil storage barrel (801), a piston connecting ring (804) being slidably connected to the inner wall of the oil storage barrel (801), a square pipe (805) being fixedly mounted on the outer edge of the piston connecting ring (804), and a piston assembly (807) being slidably connected to the inner wall of the square pipe (805); The piston assembly (807) comprises a piston head (8071), the outer wall of the piston head (8071) is slidably connected to the inner wall of the oil storage barrel (801), a square rod (8072) is fixedly mounted on the outer edge of the piston head (8071), the outer wall of the square rod (8072) is slidably connected to the inner wall of the square pipe (805), and a connector (8073) is fixedly mounted on one end of the square rod (8072) away from the piston head (8071); The inner wall of the connecting head (8073) is threadedly connected to a screw rod (8074); a gear (8075) is fixedly sleeved on the outer edge of the screw rod (8074); a worm (8076) is meshed on the outer edge of the gear (8075); an outer edge of the screw rod (8074) away from the connecting head (8073) is movably connected to a mounting bracket (8078); the worm (8076) is movably connected to the mounting bracket (8078); and a handle (8077) is fixedly mounted on the outer edge of the worm (8076).

2. A high-strength bolt cold heading equipment according to claim 1, characterized in that: The outer wall of the square pipe (805) is slidably connected to the inner wall of the right sealing cover (803), and the outer wall of the square pipe (805) is fixedly equipped with a connecting bracket (806), and the connecting bracket (806) is installed on the movable punching block (5).

3. A high-strength bolt cold heading equipment according to claim 2, characterized in that: The inner wall of the connecting bracket (806) away from one end of the square pipe (805) is slidably connected to a slide rail (808), the outer edge of the slide rail (808) is fixedly equipped with a vertical plate (809), the top of the vertical plate (809) is fixedly equipped with a fixed bracket (810), the vertical plate (809) is fixedly equipped on a limit block (6), and the limit block (6) is fixedly equipped on the inner wall of the main bracket (1).

4. The high-strength bolt cold heading equipment according to claim 1, characterized in that: A cold heading oil tank (9) is fixedly mounted on the bottom of the main body support (1), and a filling pipe (10) runs through the inner cavity of the cold heading oil tank (9).

5. The high-strength bolt cold heading equipment according to claim 1, characterized in that: The oil storage barrel (801) is fixedly mounted on a fixed bracket (810); a top connecting pipe (811) runs through the inner cavity of the oil storage barrel (801); an outer wall of the top connecting pipe (811) is fixedly sleeved with an outer shell of an oil inlet valve (812); a top blocking valve (813) is provided in the inner cavity of the outer shell of the oil inlet valve (812); a top through hole (814) is opened on the outer wall of the top blocking valve (813); and an oil inlet pipe (815) is fixedly sleeved inside the outer shell of the oil inlet valve (812) at one end away from the top connecting pipe (811).

6. A high-strength bolt cold heading equipment according to claim 5, characterized in that: One end of the oil inlet pipe (815) away from the oil inlet valve outer shell (812) passes through the cold heading oil tank (9), and a floating ball (816) is fixedly sleeved on the outer wall of the end of the oil inlet pipe (815) away from the oil inlet valve outer shell (812).

7. The high-strength bolt cold heading equipment according to claim 1, characterized in that: The inner cavity of the left sealing cover (802) is penetrated by a side connecting pipe (817); the outer wall of the side connecting pipe (817) is fixedly sleeved with an oil outlet valve outer body (818); the inner wall of the oil outlet valve outer body (818) is fixedly equipped with a collar (821); the inner wall of the oil outlet valve outer body (818) is slidably sleeved with a side blocking valve (819); the outer wall of the side blocking valve (819) is provided with a side through hole (820); a support spring (822) is provided between the collar (821) and the middle of the side blocking valve (819); an oil outlet pipe (823) is fixedly sleeved with the inner wall of the oil outlet valve outer body (818) at one end away from the side connecting pipe (817); and an oil distribution pipe (824) is fixedly equipped on the outer wall of the oil outlet pipe (823).

8. A high-strength bolt cold heading process, characterized in that: The high-strength bolt cold heading equipment according to any one of claims 1 to 7 is used, and the production process comprises the following steps: S1: Treat the surface of the raw material; S2: The raw materials are transported and straightened by the transport mechanism; S3: Shearing the raw materials by a shearing machine; S4: inserting the raw material into the mold through the clamping mechanism; S5: The driving device (3) drives the connecting block (4) and the movable punching block (5) to move back and forth in the direction of the punching die (7), and at the same time drives the oil supply mechanism (8) to operate to pour cold heading oil on the bolt for lubrication and cooling treatment.

Citation Information

Patent Citations

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