Bolt cold header with material moving and cutting mechanism

By designing a bolt cold heading machine with a material transfer and cutting mechanism, and utilizing the cooperation of the feeding and cutting components and the positioning components, the problem of uneven cutting caused by material movement during cold heading is solved, thus achieving stability and length consistency in bolt cutting.

CN223571945UActive Publication Date: 2025-11-21HANDAN SHOUFU FASTENER MFG CO LTD
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Patent Information

Application Number
CN202423043063.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-10
Publication Date
2025-11-21
Estimated Expiration
2034-12-10

AI Technical Summary

Technical Problem

Cold heading machines need to cut materials to a uniform length during the feeding process, but the materials tend to move around during cutting, resulting in inconsistent cutting lengths.

Method used

A bolt cold heading machine with a material transfer and cutting mechanism was designed, including a feeding and cutting assembly and a feeding and positioning assembly. Through the cooperation of a support plate, a drive motor, a drive shaft, a cutting sleeve, a cutting arm, a cutting disc, a positioning comb, and positioning teeth, stable cutting of bolts is achieved.

Benefits of technology

This ensures the stability of the bolt during the cutting process, guarantees the consistency of the cutting length, and avoids uneven cutting caused by material movement.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of bolt processing, and provides a bolt cold header with a material moving and cutting mechanism, which comprises a cold header body, a feed inlet is arranged on the back of the cold header body, a feed cutting component is arranged on the back of the cold header body, and a feed positioning component is arranged on the back of the cold header body. A supporting disc is arranged at the top of the supporting column, the side wall of the supporting disc is fixedly connected with the cold header body, a driving motor is arranged on the supporting disc, a driving shaft is arranged at the output end of the driving motor and sleeved with a cutting sleeve, a cutting arm is arranged on the side wall of the cutting sleeve, a connecting piece is arranged on the side wall of the cutting arm, and the cutting shaft is inserted into the connecting piece in a penetrating mode. The cutting shaft is fixedly sleeved with a cutting blade. By means of the technical scheme, the problems that in the prior art, in the machining and feeding process of a cold header, materials to be machined need to be cut off to be of the uniform length, the materials to be machined need to be fixed during cutting when being fed, and the cutting lengths are not uniform due to disordered movement during cutting are solved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to bolt processing technical field, specifically, relate to a bolt cold header with material shifting cutting mechanism. BACKGROUND

[0002] The cold header is the special equipment for batch production of nut bolt and other fasteners, according to the metal plastic deformation theory, a certain pressure is exerted on the metal blank at normal temperature, so that plastic deformation is generated in the mold cavity, and it is formed according to the specified shape and size.

[0003] There are the following problems in the cold header machining process: 1, the cold header machining process needs to cut the processed material to the uniform length; 2, the cutting needs to be fixed when the processed material is fed, to avoid the problem that the cutting length is not uniform due to the movement during cutting, in view of this, a bolt cold header with material shifting cutting mechanism is developed. UTILITY MODEL CONTENTS

[0004] The utility model provides a bolt cold header with material shifting cutting mechanism, solve the cold header machining process in related art, need to cut the processed material to the uniform length, the cutting needs to be fixed when the processed material is fed, to avoid the problem that the cutting length is not uniform due to the movement during cutting.

[0005] The technical scheme of the utility model is as follows: including

[0006] The cold header body is provided with a feeding port on the back;

[0007] The feeding cutting assembly is arranged on the back of the cold header body;

[0008] The feeding positioning assembly is arranged on the back of the cold header body;

[0009] The feeding cutting assembly includes a support column, the support column is arranged on one side of the cold header body, the top of the support column is provided with a support disc, the side wall of the support disc is fixedly connected with the cold header body, a driving motor is arranged on the support disc, the output end of the driving motor is provided with a driving shaft, a cutting sleeve is sleeved on the driving shaft, a cutting arm is arranged on the side wall of the cutting sleeve, a connecting piece is arranged on the side wall of the cutting arm, a cutting shaft is inserted through the connecting piece, and a cutting blade is fixedly sleeved on the cutting shaft.

[0010] As a further technical scheme, the bottom of the connecting piece is provided with a cutting motor, the cutting motor and the connecting piece are connected through bolt fixing screwing, and the cutting motor and the cutting shaft are fixedly connected.

[0011] As a further technical scheme, the feeding positioning assembly comprises a linkage sleeve, the linkage sleeve is fixedly sleeved on the driving shaft, a positioning arm is arranged on the side wall of the linkage sleeve, a positioning comb is arranged on the side wall of the positioning arm, positioning teeth are arranged on the side wall of the positioning comb, and a plurality of the positioning teeth are equidistantly arranged on the positioning comb.

[0012] As a further technical scheme, the feeding track is internally provided with a stepped groove, and the bottom of the feeding track is provided with a support frame arranged on the side wall of the cold header body.

[0013] As a further technical scheme, the cutting motor and the connecting piece are connected through bolt fixing.

[0014] As a further technical scheme, the positioning comb is in a semicircular structure, and the positioning teeth are arranged on the arc surface of the positioning comb.

[0015] As a further technical scheme, the discharge port of the cold header body is arranged on the front face of the cold header body, and the discharge port is opposite to the feeding port.

[0016] As a further technical scheme, the cutting shaft and the connecting piece are connected through a bearing, and the output end of the cutting motor is matched with the diameter of the cutting shaft.

[0017] As a further technical scheme, the feeding track is arranged in an inclined manner, the side with a higher height of the feeding track is located outside the cold header body, and the side with a lower height of the feeding track is located inside the feeding port.

[0018] As a further technical scheme, the support frame is in an arc structure, and the support frame and the cold header body are connected through welding.

[0019] The working principle and beneficial effects of the utility model are as follows:

[0020] The utility model realizes the following effects: 1. the driving motor on the supporting disc can drive the driving shaft to rotate, the cutting sleeve is driven to rotate by the driving shaft, the cutting arm swings at this time, and the cutting piece on the connecting piece drives the cutting of the bolt through the cutting shaft; 2. in the process of driving shaft rotation, the linkage sleeve also rotates and drives the positioning arm to swing, and the positioning teeth on the positioning comb position the bolt, prevent the phenomenon that the bolt moves randomly when cutting, and make the bolt more stable. DRAWINGS

[0021] The utility model will be further explained in detail in combination with the drawings and specific embodiments.

[0022] Fig. 1 It is a structural schematic view of the utility model;

[0023] Fig. 2 It is a shaft side view of the utility model;

[0024] Fig. 3 It is a cutting shaft shaft side view of the utility model;

[0025] Fig. 4 It is a feeding track shaft side view of the utility model;

[0026] In the figure: 1, cold header body; 2, feed inlet; 3, feed cutting assembly; 3-1, support column; 3-2, support disc; 3-3, driving motor; 3-4, drive shaft; 3-5, cutting sleeve; 3-6, cutting arm; 3-7, connecting sheet; 3-8, cutting shaft; 3-9, cutting sheet; 3-10, cutting motor; 4, feed positioning assembly; 4-1, linkage sleeve; 4-2, positioning arm; 4-3, positioning comb; 4-4, positioning tooth; 4-5, feed track; 4-6, stepped groove; 4-7, support frame. DETAILED DESCRIPTION

[0027] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor are involved in the protection scope of the utility model.

[0028] As Figs. 1-4 shown, the embodiment provides a bolt cold header with material moving and cutting mechanism, which comprises

[0029] The cold header body 1 is provided with the feed inlet 2 at the back thereof;

[0030] The feed cutting assembly 3 is arranged at the back of the cold header body 1;

[0031] The feed positioning assembly 4 is arranged at the back of the cold header body 1;

[0032] The feeding cutting assembly 3 comprises a supporting column 3-1 arranged on one side of the cold header body 1, a supporting disc 3-2 arranged on the top of the supporting column 3-1, a driving motor 3-3 arranged on the supporting disc 3-2, an output end of the driving motor 3-3 provided with a driving shaft 3-4, a cutting sleeve 3-5 sleeved on the driving shaft 3-4, a cutting arm 3-6 arranged on the side wall of the cutting sleeve 3-5, a connecting plate 3-7 arranged on the side wall of the cutting arm 3-6, a cutting shaft 3-8 penetrating through the connecting plate 3-7, and a cutting blade 3-9 fixedly sleeved on the cutting shaft 3-8.

[0033] In the embodiment, the cold header body 1 is a commonly used equipment purchased, which can cold header forming of the bolt, the supporting column 3-1 is used for supporting the supporting disc 3-2, the driving motor 3-3 on the supporting disc 3-2 can drive the driving shaft 3-4 to rotate, the cutting sleeve 3-5 is driven to rotate by the driving shaft 3-4, at this time the cutting arm 3-6 swings, the cutting blade 3-9 is driven to cut the bolt by the cutting shaft 3-8 on the connecting plate 3-7.

[0034] Specifically, the bottom of the connecting plate 3-7 is provided with a cutting motor 3-10, the cutting motor 3-10 is fixedly screwed between the connecting plate 3-7 through bolts, and the cutting motor 3-10 is fixedly connected with the cutting shaft 3-8.

[0035] In the embodiment, the cutting motor 3-10 drives the cutting shaft 3-8 to rotate, thereby driving the cutting blade 3-9 to rotate at high speed, and the cutting process of the bolt is realized.

[0036] Further, the feeding positioning assembly 4 comprises a connecting sleeve 4-1 fixedly sleeved on the driving shaft 3-4, a positioning arm 4-2 arranged on the side wall of the connecting sleeve 4-1, a positioning comb 4-3 arranged on the side wall of the positioning arm 4-2, a plurality of positioning teeth 4-4 opened on the side wall of the positioning comb 4-3, and the plurality of positioning teeth 4-4 are equidistantly opened on the positioning comb 4-3.

[0037] In the embodiment, in the process of rotating the driving shaft 3-4, the connecting sleeve 4-1 also rotates and drives the positioning arm 4-2 to swing, and the plurality of positioning teeth 4-4 on the positioning comb 4-3 position the bolt to prevent the bolt from moving randomly during cutting.

[0038] Further, the feeding inlet 2 is provided with a feeding track 4-5, the feeding track 4-5 is provided with a stepped groove 4-6 inside, the bottom of the feeding track 4-5 is provided with a supporting frame 4-7, and the supporting frame 4-7 is arranged on the side wall of the cold header body 1.

[0039] In the embodiment, the feeding track 4-5 is used for feeding the bolt, the stepped groove 4-6 is used for embedding the position of the nut, and the support frame 4-7 is used for fixing and supporting the feeding track 4-5 to enhance the stability of the feeding track 4-5.

[0040] Further, the cutting motor 3-10 is fixedly connected with the connecting plate 3-7 through screwing, the positioning comb 4-3 is a semicircular structure, the positioning teeth 4-4 are opened on the arc surface of the positioning comb 4-3, and the discharge port of the cold header body 1 is arranged on the front surface of the cold header body 1, which is opposite to the feeding port 2.

[0041] Further, the cutting shaft 3-8 is movably connected with the connecting plate 3-7 through a bearing, the output end of the cutting motor 3-10 is matched with the diameter of the cutting shaft 3-8, the feeding track 4-5 is arranged in an inclined manner, the side with a higher height of the feeding track 4-5 is located outside the cold header body 1, the side with a lower height of the feeding track 4-5 is located inside the feeding port 2, the support frame 4-7 is an arc structure, and the support frame 4-7 is connected with the cold header body 1 through welding.

[0042] When the bolt needs to be cold heading processed, the driving motor 3-3 on the support disc 3-2 can drive the driving shaft 3-4 to rotate, the cutting sleeve 3-5 is driven by the driving shaft 3-4 to rotate, the cutting arm 3-6 swings at this time, the cutting piece 3-9 is driven by the cutting shaft 3-8 on the connecting plate 3-7 to cut the bolt, the cutting motor 3-10 drives the cutting shaft 3-8 to rotate, thereby driving the cutting piece 3-9 to rotate at a high speed, and the cutting process of the bolt is realized, in the process of rotating the driving shaft 3-4, the connecting sleeve 4-1 also rotates, and the positioning arm 4-2 swings, the positioning teeth 4-4 on the positioning comb 4-3 are used for positioning the bolt to prevent the bolt from moving randomly during cutting.

[0043] The above is only a preferred embodiment of the utility model, and is not used to limit the utility model, and any modification, equivalent replacement, improvement and the like made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A bolt cold header with a material transfer cutting mechanism, characterized by, Comprising The back of the cold header body (1) is provided with a feeding port (2); The feeding cutting assembly (3) is arranged on the back of the cold header body (1); The feeding positioning assembly (4) is arranged on the back of the cold header body (1); The feeding cutting assembly (3) comprises a supporting column (3-1) arranged on one side of the cold header body (1), the top of the supporting column (3-1) is provided with a supporting disc (3-2) fixedly connected between the side wall of the supporting disc (3-2) and the cold header body (1), a driving motor (3-3) is arranged on the supporting disc (3-2), the output end of the driving motor (3-3) is provided with a driving shaft (3-4), a cutting sleeve (3-5) is sleeved on the driving shaft (3-4), a cutting arm (3-6) is arranged on the side wall of the cutting sleeve (3-5), a connecting piece (3-7) is arranged on the side wall of the cutting arm (3-6), a cutting shaft (3-8) is inserted through the connecting piece (3-7), and a cutting blade (3-9) is fixedly sleeved on the cutting shaft (3-8).

2. A bolt cold header with a material transfer cutting mechanism according to claim 1, characterized in that, The bottom of the connecting piece (3-7) is provided with a cutting motor (3-10), the cutting motor (3-10) and the connecting piece (3-7) are connected through bolt fixing and screwing, and the cutting motor (3-10) is fixedly connected with the cutting shaft (3-8).

3. A bolt cold header with a material transfer cutting mechanism according to claim 1, characterized in that, The feeding positioning assembly (4) comprises a linkage sleeve (4-1) fixedly sleeved on the driving shaft (3-4), a positioning arm (4-2) is arranged on the side wall of the linkage sleeve (4-1), a positioning comb (4-3) is arranged on the side wall of the positioning arm (4-2), positioning teeth (4-4) are formed in the side wall of the positioning comb (4-3), the number of the positioning teeth (4-4) is several, and the plurality of positioning teeth (4-4) are equidistantly formed on the positioning comb (4-3).

4. A bolt cold header with a material transfer cutting mechanism according to claim 1, characterized in that, A feeding track (4-5) is arranged in the feeding port (2), a stepped groove (4-6) is arranged in the feeding track (4-5), a supporting frame (4-7) is arranged at the bottom of the feeding track (4-5), and the supporting frame (4-7) is arranged on the side wall of the cold header body (1).

5. A bolt cold header with a material transfer cutting mechanism according to claim 2, characterized in that, The cutting motor (3-10) and the connecting piece (3-7) are connected through bolt fixing and screwing.

6. A bolt cold header with a material transfer cutting mechanism according to claim 3, wherein The positioning comb (4-3) is a semicircular structure, and the positioning teeth (4-4) are formed on the arc surface of the positioning comb (4-3).

7. A bolt cold header with a material transfer cutting mechanism according to claim 1, characterized in that, The discharge port of the cold header body (1) is arranged on the front face of the cold header body (1), and the discharge port is opposite to the feeding port (2).

8. A bolt cold header with a material transfer cutting mechanism according to claim 2, characterized in that, The cutting shaft (3-8) and the connecting piece (3-7) are connected through bearings, and the output end of the cutting motor (3-10) matches the diameter of the cutting shaft (3-8).

9. A bolt cold header with a material transfer cutting mechanism according to claim 4, characterized in that, The feeding rail (4-5) is arranged obliquely, and the high side of the feeding rail (4-5) is located outside the cold header body (1), and the low side of the feeding rail (4-5) is located inside the feeding port (2).

10. A bolt cold header with a material transfer cutting mechanism according to claim 4, characterized in that, The support frame (4-7) is an arc-shaped structure, and the support frame (4-7) and the cold header body (1) are connected through welding.