End heating device for hot heading of bolts

Abstract

The utility model discloses an end heating device for hot heading of bolts, which comprises a frame, a high-frequency heater is mounted on the frame and comprises a heating coil, a feeding groove, a linear actuator and a collecting bin are fixed on the frame, and the feeding groove is positioned between the linear actuator and the collecting bin. The collecting bin is provided with a feeding hole for bolt blanks to enter; the collecting bin is obliquely arranged and provided with a first side wall slope and a collecting channel. According to the device, the time consumed for taking out and placing the bolt blank on the heating coil can be saved, the production efficiency is improved, the bolt blank does not need to be manually taken out and placed on the heating coil, personal injury is avoided, and the labor cost is reduced; by arranging the feeding groove and the linear execution element, it can be guaranteed that the positions and angles of bolt blanks placed each time are consistent, it is guaranteed that the ends of the bolt blanks are heated evenly, the hot heading quality of bolts is guaranteed, the product percent of pass is improved, and the defective rate and the production cost are reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to bolt production equipment technical field, especially a kind of end heating device for bolt hot heading. BACKGROUND

[0002] In bolt hot heading processing technology, end heating is extremely key link. At present, before hot heading, the operation mode that bolt is placed in inductive coil inside to heat by artificial manual, and bolt is manually taken out after heating is finished is generally used. This traditional operation mode has many problems to be solved.

[0003] From the production efficiency level, the speed of artificial manual operation is far lower than automatic equipment, and the process of placing and taking out bolt needs to consume a lot of time, seriously restricts overall production progress. Under large-scale production demand, artificial operation is difficult to meet the production efficiency requirement, increases production cost and delivery cycle.

[0004] Safety, inductive coil generates high temperature when working, and operator has great scald risk in the process of artificial manual operation. Moreover, if operation is not careful and contacts energized inductive coil, electric shock accident can also be caused, which seriously threatens the personal safety of operator.

[0005] In the stability of heating quality, artificial operation is difficult to guarantee that the position and angle of placing bolt are completely consistent each time. The deviation of position and angle can lead to uneven heating of bolt end, and then affect the hot heading quality of bolt, reduce product qualified rate, increase the rate of defective products and production cost.

[0006] In addition, artificial operation depends on a lot of manpower input, and with the continuous rise of labor cost, the production cost of enterprise is also greatly increased. At the same time, artificial operation is also easily affected by factors such as fatigue and emotion of operator, so that the consistency and accuracy of operation are difficult to guarantee.

[0007] In summary, the existing artificial manual operation mode has problems such as low efficiency, great safety hazard, unstable heating quality and high cost in the process of bolt hot heading end heating, and an automatic end heating device for bolt hot heading is urgently needed to solve these problems.

[0008] It should be noted that the above content belongs to the technical cognition range of the inventor, and does not necessarily constitute prior art. CONTENT OF THE UTILITY MODEL

[0009] Therefore, it is necessary to provide an end heating device for bolt hot heading in view of the above technical problems.

[0010] In order to achieve the above object, the utility model provides a kind of end heating device for bolt hot heading, including rack, high-frequency heating machine is installed on the rack, and high-frequency heating machine includes heating coil, the rack is fixed with feeding groove, linear actuator and collection bin, feeding groove is located between linear actuator and collection bin, bolt blank can be arranged in single column on feeding groove, inlet for bolt blank is equipped on collection bin, heating coil is located between inlet and feeding groove discharge end, and linear actuator can drive bolt blank in feeding groove to pass through heating coil one by one;Collection bin is obliquely arranged, and collection bin has first side wall inclined plane and collection channel, and first side wall inclined plane is used to contact with bolt blank, so that bolt blank can enter collection channel with its heated end keeping posture of being upwards after being separated from inlet.

[0011] Preferably, the collection channel includes a flared section and a straight section, the flared section is adjacent to the upper end of the straight section, and the width of the flared section gradually decreases from top to bottom.

[0012] Preferably, the width of the straight section is adapted to the diameter of the bolt blank.

[0013] Preferably, clamping notches are provided on the collection bin and located on both sides of the straight section, and the lower part of the clamping notch is provided with a first chamfer.

[0014] Preferably, a V-shaped guide plate is fixed at the inlet, and the side of the V-shaped guide plate facing the heating coil is provided with a second chamfer.

[0015] Preferably, the distance between the inlet and the first side wall inclined plane is greater than the length of the bolt blank.

[0016] Preferably, a push rod is fixed to the output end of the linear actuator, and the push rod is used to contact and cooperate with the bolt blank on the feeding groove.

[0017] The technical scheme has the beneficial effects that:

[0018] From the perspective of production efficiency, since the second bolt blank is placed in the feeding groove in advance, after the heating of the first bolt blank is completed, the second bolt blank directly pushes the first bolt blank away from the heating coil, and the end of the second bolt blank directly enters the heating coil, which can save the time-consuming of taking out and placing the bolt blank in the heating coil, improve the production efficiency, and reduce the labor cost; Furthermore, when the bolt blank is taken out in the collection channel, the heated end is facing upwards, which can facilitate direct transfer to the hot heading machine, without the need to rotate and adjust the angle of the bolt blank, further improving the production efficiency.

[0019] From the safety aspect, the induction coil generates high temperature when working, without the need for manual taking out and placing the bolt blank in the heating coil, which can avoid the accidental scalding of the operator and the electric shock accident caused by contacting the energized induction coil.

[0020] Regarding the stability of heating quality, by setting up a feeding trough and linear actuators, it can be ensured that the position and angle of the bolt blank are consistent each time, that the end of the bolt blank is heated evenly, that the hot heading quality of the bolt is guaranteed, that the product qualification rate is improved, and that the defect rate and production cost are reduced. Attached Figure Description

[0021] Figure 1 A perspective view of a bolt hot-bending end heating device according to an embodiment;

[0022] Figure 2 This is a side view of an embodiment of a bolt hot-bending end heating device;

[0023] Figure 3 for Figure 2 View from direction A;

[0024] Figure 4 for Figure 3 Another state Figure 1 ;

[0025] Figure 5 for Figure 3 Another state Figure 2 ;

[0026] In the diagram, 1. Frame; 2. Heating coil; 3. Feed trough; 4. Linear actuator; 5. Collection bin; 6. Bolt blank; 7. Feed inlet; 8. First side wall slope; 9. Collection channel; 10. Flared section; 11. Straight section; 12. Clamping notch; 13. First chamfer; 14. V-shaped guide plate; 15. Second chamfer; 16. Push rod. Detailed Implementation

[0027] To make the above-mentioned objects, features, and advantages of this utility model more apparent and understandable, the specific embodiments of this utility model will be described in detail below with reference to the accompanying drawings. Many specific details are set forth in the following description to provide a full understanding of this utility model. However, this utility model can be implemented in many other ways different from those described herein, and those skilled in the art can make similar modifications without departing from the spirit of this utility model. Therefore, this utility model is not limited to the specific embodiments disclosed below.

[0028] Please see Figures 1 to 5The embodiment of the application provides a bolt end heating device for bolt hot heading, which comprises a rack 1, a high-frequency heating machine is installed on the rack 1, the high-frequency heating machine comprises a heating coil 2, an upper feeding groove 3, a linear actuator 4 and a collecting bin 5 are fixed on the rack 1, the upper feeding groove 3 is V-shaped in section, a bolt blank 6 is circular in section, the upper feeding groove 3 is located between the linear actuator 4 and the collecting bin 5, the bolt blank 6 can be arranged in a single column on the upper feeding groove 3, the upper feeding groove 3 can simultaneously accommodate two bolt blanks 6 in a single column, a feeding port 7 for the bolt blank 6 to enter is arranged on the collecting bin 5, the heating coil 2 is located between the feeding port 7 and a discharging end of the upper feeding groove 3, and the linear actuator 4 can drive the bolt blank 6 in the upper feeding groove 3 to pass through the heating coil 2 one by one; the linear actuator 4 is selected from a pneumatic cylinder, an electric cylinder or a hydraulic cylinder; the collecting bin 5 is obliquely arranged, the collecting bin 5 has a first side wall inclined surface 8 and a collecting channel 9, the first side wall inclined surface 8 is located on a side of the collecting bin 5 away from the upper feeding groove 3, and the collecting channel 9 is located at a lower part of the collecting bin 5; the first side wall inclined surface 8 is used for being in contact with the bolt blank 6, so that the bolt blank 6 can enter the collecting channel 9 in a posture that a heating end of the bolt blank 6 is kept upward after the bolt blank 6 is separated from the feeding port 7. The heating end of the bolt blank 6 is an end heated by the heating coil 2.

[0029] In the embodiment, one bolt blank 6 is placed on the upper feeding groove 3, the bolt blank 6 is recorded as a first bolt blank 6, under the support and guidance of the upper feeding groove 3, the first bolt blank 6 is pushed to move stably and linearly by the extension end of the linear actuator 4, so that one end of the first bolt blank 6 close to the collecting bin 5 enters the inside of the heating coil 2, the high-frequency heating machine works, and the heating coil 2 heats the end of the first bolt blank 6; then, the linear actuator 4 is retracted and reset, the next bolt blank 6 is placed on the upper feeding groove 3, the bolt blank 6 is recorded as a second bolt blank 6, and the second bolt blank 6 is located between the first bolt blank 6 and the linear actuator 4; after heating is completed, referring to Figure 3 , the linear actuator 4 pushes the second bolt blank 6 to move, the second bolt blank 6 pushes the first bolt blank 6 to move after being in contact with the first bolt blank 6, so that the first bolt blank 6 enters the collecting bin 5 from the feeding port 7; after the first bolt blank 6 is separated from the feeding port 7, the first bolt blank 6 is in contact with the first side wall inclined surface 8 and is guided by the first side wall inclined surface 8 and the inclined bottom surface of the collecting bin 5, referring to Figure 4 and Figure 5 in sequence, the first bolt blank 6 enters the collecting channel 9 in a posture that the heating end of the first bolt blank 6 is kept upward, and the first bolt blank 6 can be conveniently taken out in the collecting channel 9.

[0030] From the production efficiency point of view, since the second bolt blank 6 is placed in the feeding groove 3 in advance, after the heating of the first bolt blank 6 is completed, the second bolt blank 6 directly pushes the first bolt blank 6 away from the heating coil 2 and the end of the second bolt blank 6 directly enters the heating coil 2, which can save the time-consuming of taking out and placing the bolt blank 6 in the heating coil 2, improve the production efficiency, and reduce the labor cost; and when the bolt blank 6 is taken out in the collection channel 9, the heated end is towards, which can facilitate direct transfer to the hot die machine, without the need to rotate and adjust the angle of the bolt blank 6, further improving the production efficiency.

[0031] From the safety aspect, the induction coil generates high temperature when working, without the need for manual taking out and placing the bolt blank 6 in the heating coil 2, which avoids the accidental scalding of the operator and the electric shock accident caused by contacting the energized induction coil.

[0032] In terms of stability of heating quality, by setting the feeding groove 3 and the linear actuator 4, the position and angle of placing the bolt blank 6 each time can be ensured to be consistent, the end of the bolt blank 6 can be ensured to be evenly heated, the quality of hot die forging of the bolt can be ensured, the product qualification rate can be improved, and the defective rate and production cost can be reduced.

[0033] In a preferred embodiment, in order to facilitate the bolt blank 6 to enter the collection channel 9, the collection channel 9 is provided with an expanding section 10 and a straight section 11, the lower end of the expanding section 10 borders the upper end of the straight section 11, and the width of the expanding section 10 gradually decreases from top to bottom. The expanding section 10 has an expanding structure, which can facilitate guiding the bolt blank 6 to enter the collection channel 9, the width of each position of the straight section 11 is the same, and the width of the straight section 11 is adapted to the diameter of the bolt blank 6, which can facilitate positioning the angle and position of the bolt blank 6, so that the bolt blank 6 can be placed in the collection channel 9 in a fixed posture.

[0034] In order to facilitate taking out the bolt blank 6 from the collection channel 9, a clamping notch 12 is provided on the collection bin 5 and located on both sides of the straight section 11, and a first chamfer 13 is provided at the lower part of the clamping notch 12. The first chamfer 13 can avoid the lower end of the bolt blank 6 being stuck in the clamping notch 12 when the bolt blank 6 passes through the clamping notch 12, and the first chamfer 13 is located at the lower part of the clamping notch 12, which can guide the bolt blank 6 to smoothly descend; by providing the clamping notch 12, the clamping tool can enter and clamp and take out the bolt blank 6 in the collection channel 9.

[0035] In a preferred embodiment, in order to facilitate the bolt blank 6 to smoothly enter the collection bin 5, a V-shaped guide plate 14 is arranged at the feeding port 7, and the V-shaped guide plate 14 is provided with a second chamfer 15 on the side facing the heating coil 2. During the process that the bolt blank 6 is separated from the heating coil 2, the bolt blank 6 will first contact the V-shaped guide plate 14, the cross section of the V-shaped guide plate 14 is V-shaped, the inner wall of the bottom end of the V-shaped guide plate 14 is arranged at the same height with the inner wall of the bottom end of the feeding groove 3, and the second chamfer 15 can avoid the bolt blank 6 from being stuck at the heating end of the V-shaped guide plate 14. The second chamfer 15 can facilitate the bolt blank 6 to enter the V-shaped guide plate 14, and the V-shaped guide plate 14 can support and guide the bolt blank 6, so as to facilitate the bolt blank 6 to smoothly enter the collection bin 5.

[0036] In a preferred embodiment, in order to avoid that, after the heating end of the bolt blank 6 contacts the first side wall inclined surface 8, the other end of the bolt blank 6 contacts the side wall of the collection bin 5 close to the feeding groove 3, so that the bolt blank 6 cannot smoothly enter the collection channel 9, the distance between the feeding port 7 and the first side wall inclined surface 8 is greater than the length of the bolt blank 6. In this way, after the heating end of the bolt blank 6 contacts the first side wall inclined surface 8, the other end of the bolt blank 6 will descend under the action of gravity in the absence of support, so as to facilitate the bolt blank 6 to maintain the posture of the heating end upward and enter the collection channel 9.

[0037] In a preferred embodiment, in order to facilitate the linear actuator 4 to push the bolt blank 6 in the feeding groove 3 to move, a push rod 16 is arranged at the output end of the linear actuator 4, and the push rod 16 is used to contact and cooperate with the bolt blank 6 in the feeding groove 3. The linear actuator 4 drives the push rod 16 to move, and the push rod 16 pushes the bolt blank 6 in the feeding groove 3 to move.

[0038] The technical features of the above embodiments can be combined in any manner. In order to make the description simple, all possible combinations of the technical features in the above embodiments are not described, but as long as the combinations of the technical features do not exist contradictory, they should be considered as the scope of the description.

[0039] The above embodiments only express several implementation manners of the utility model, and the description is relatively specific and detailed, but it should not be understood as the limitation of the scope of the utility model patent. It should be pointed out that, for ordinary skilled persons in the art, on the premise of not departing from the concept of the utility model, a number of modifications and improvements can be made, which all belong to the protection scope of the utility model. Therefore, the protection scope of the utility model patent should be subject to the appended claims.

[0040] In the description of the utility model, it is understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.

[0041] In addition, the terms "first" and "second" are only for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined with "first" and "second" can explicitly or implicitly include at least one of the features. In the description of the utility model, the meaning of "multiple" is at least two, such as two, three, etc., unless otherwise specifically limited.

[0042] In the utility model, unless otherwise specifically defined and limited, the terms "mounting", "connection", "connection", "fixing" and the like should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication or interaction relationship between two elements, unless otherwise specifically limited. For ordinary skilled persons in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

Claims

1. A bolt end heating device for hot mounting, comprising a frame (1), wherein a high-frequency heater is mounted on the frame (1), the high-frequency heater comprising a heating coil (2), characterized in that, The frame (1) is fixed with a feeding trough (3), a linear actuator (4) and a collection bin (5). The feeding trough (3) is located between the linear actuator (4) and the collection bin (5). Bolt blanks (6) can be arranged in a single row on the feeding trough (3). The collection bin (5) is provided with a feed port (7) for the bolt blanks (6) to enter. The heating coil (2) is located between the feed port (7) and the discharge end of the feeding trough (3). The linear actuator (4) can drive the bolt blanks (6) in the feeding trough (3) to pass through the heating coil (2) one by one. The collection bin (5) is inclined. The collection bin (5) has a first side wall inclined surface (8) and a collection channel (9). The first side wall inclined surface (8) is used to contact and cooperate with the bolt blanks (6) so that the bolt blanks (6) can enter the collection channel (9) with their heating end facing upward after leaving the feed port (7).

2. The end heating device for bolt hot upsetting according to claim 1, characterized in that, The collection channel (9) includes a flared section (10) and a straight section (11). The lower end of the flared section (10) is adjacent to the upper end of the straight section (11), and the width of the flared section (10) gradually decreases from top to bottom.

3. The end heating device for bolt hot upsetting according to claim 2, characterized in that, The width of the straight segment (11) is adapted to the diameter of the bolt blank (6).

4. The end heating device for bolt hot upsetting according to claim 3, characterized in that, The collection chamber (5) has clamping notches (12) on both sides of the straight section (11), and the lower part of the clamping notches (12) has a first chamfer (13).

5. The end heating device for bolt hot upsetting according to claim 1, characterized in that, A V-shaped guide plate (14) is fixed at the feed inlet (7), and a second chamfer (15) is provided on the side of the V-shaped guide plate (14) facing the heating coil (2).

6. The end heating device for bolt hot upsetting according to claim 1, characterized in that, The distance between the feed inlet (7) and the first side wall slope (8) is greater than the length of the bolt blank (6).

7. The end heating device for bolt hot upsetting according to claim 1, characterized in that, The output end of the linear actuator (4) is fixed with a push rod (16), which is used to contact and cooperate with the bolt blank (6) on the feeding trough (3).

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