A welding bolt cold heading forming device

Abstract

The utility model discloses a kind of welding bolt cold heading forming devices, it is related to bolt cold heading forming device design technical field, including support platform, cold heading die fixed unit and forming unit, two equidistant support legs are provided in support platform lower side, cold heading die fixed unit is provided on support platform, forming unit is provided in the rear side of fixed shell in cold heading die fixed unit, cold heading die fixed unit includes fixed shell, fixed block, rotating cylinder, power motor and hexagonal block, one fixed shell is provided on support platform upper side, one clamping hole is formed in the fixed shell upper side, one fixed block is respectively arranged in the front and back sides in the clamping hole, bolt after forming is more convenient to take material, reduce production cost, the mold of forming is more convenient to replace, different specifications of bolt can be produced, improve production efficiency.

Description

Technical Field

[0001] This utility model relates to the technical field of bolt cold heading forming device design, specifically a welding bolt cold heading forming device. Background Technology

[0002] Cold heading is a relatively new non-cutting metal pressure processing technology. It utilizes the plastic deformation of metal under external force, and with the aid of a mold, redistributes and transfers the metal volume to form the desired part or blank. Cold heading is best suited for producing standard fasteners such as bolts, screws, nuts, rivets, and pins. The commonly used equipment for cold heading is a dedicated cold heading machine. For smaller production volumes, a crank press or friction press can be used instead. Bolts are used to fasten two parts with through holes. This type of connection is called a bolted connection. If the nut is unscrewed from the bolt, the two parts can be separated; therefore, a bolted connection is a detachable connection. Anchor bolts are a type of bolted connection. After assembly, only the nut part is detachable; the bolt part is fixed to the concrete substrate in some way and cannot be separated. For ease of production, a cold heading forming device for welded bolts is needed.

[0003] Existing cold heading forming equipment for welded bolts has several drawbacks: it is inconvenient to remove the bolts after forming, which increases production costs; it is also inconvenient to change the forming mold; it cannot produce bolts of different specifications, which reduces production efficiency. Utility Model Content

[0004] The technical problem to be solved by this utility model is to overcome the existing defects and provide a cold heading forming device for welded bolts. The bolts after forming are easier to remove, reducing production costs. The forming mold is also easier to replace. It can produce bolts of different specifications, improve production efficiency, and effectively solve the problems in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a cold heading forming device for welding bolts, comprising a support platform, a cold heading mold fixing unit, and a forming unit; Support platform: Two equally spaced support legs are provided on the lower side. A cold heading mold fixing unit is provided on the support platform. A forming unit is provided on the rear side of the fixing shell in the cold heading mold fixing unit. Cold heading mold fixing unit: includes a fixing shell, fixing blocks, rotating cylinders, a power motor, and hexagonal blocks. A fixing shell is provided on the upper side of the support platform. A snap-fit ​​hole is opened on the upper side of the fixing shell. A fixing block is provided on the front and rear sides of the snap-fit ​​hole. The two fixing blocks are rotatably connected to the rotating cylinder through bearings. One of the rotating cylinders is fixedly connected to the output shaft of the power motor. A motor support frame is provided on the fixing shell. The motor support frame is fixedly connected to the power motor. The two rotating cylinders are fixedly connected to the hexagonal block, which is set in the snap-fit ​​hole. The input end of the power motor is electrically connected to the output end of an external power supply through an external control switch group.

[0006] The support platform is used for assembling the device, the support legs are used for fixing and supporting, the cold heading mold fixing unit is used to fix the forming device for cold heading, the forming unit is used for forming processing, the fixing shell is used to fix the fixing block, the fixing block is used to rotate the rotating cylinder, the power motor is started to provide power for the rotating cylinder to rotate, the rotating cylinder is used to fix the hexagonal block, the hexagonal block rotates to facilitate the collection of the formed bolts, and at the same time to process bolts of different specifications, thereby producing bolts for use.

[0007] Furthermore, the cold heading mold fixing unit also includes a snap-fit ​​strip, a connecting block, an auxiliary cylinder, and a rectangular slider. Each face of the hexagonal block has a snap-fit ​​groove, and a snap-fit ​​strip is fixedly snapped into each snap-fit ​​groove. A connecting block is fixedly snapped into each snap-fit ​​strip. Each connecting block has a post at each of its four corners. Each connecting block is fixedly connected to the corresponding hexagonal block through the post. Each connecting block has four sliding grooves, which are cross-shaped on each connecting block. An auxiliary cylinder is fixedly connected into each sliding groove, and a rectangular slider is slidably connected into each sliding groove. The sliding hole on each rectangular slider is slidably connected to the corresponding auxiliary cylinder.

[0008] The snap-fit ​​strip is used to fix the connecting block, the connecting block is used to fix the auxiliary cylinder, the auxiliary cylinder is used to make the rectangular slider move more stably, the rectangular slider moves to adjust the position of the mold clamping plate, and thus fixes the cold heading mold, which facilitates quick and easy replacement and fixes the mold.

[0009] Furthermore, the cold heading mold fixing unit also includes a mold clamping plate and a cold heading mold. A mold clamping plate is fixedly connected to each rectangular slider, and a cold heading mold is provided on each connecting block. The mold clamping plate on each connecting block is fixedly connected to the cold heading mold by bolts.

[0010] The mold clamping plate is used to fix the cold heading mold, which is used to place the raw material and facilitate the processing of bolts, thereby performing cold heading.

[0011] Furthermore, the forming unit includes a fixed frame, an electric push rod, and a forming stamping block. A fixed frame is provided on the rear side of the fixed shell. The fixed frame is fixedly connected to the electric push rod through a fixed bracket. The extension end of the electric push rod passes through the fixed frame and is fixedly connected to the forming stamping block. The forming stamping block corresponds to the cold heading mold. The input end of the electric push rod is electrically connected to the output end of an external power supply through an external control switch group.

[0012] The fixing frame is used to fix the electric push rod. When the electric push rod is activated, its position is adjusted to drive the forming stamping block to move. The moving forming stamping block cooperates with the cold heading die to perform cold heading processing.

[0013] Furthermore, the forming unit also includes auxiliary sliders, connecting cylinders, and collecting plates. Two equally spaced grooves are formed on the bottom surface of the fixed shell. A connecting cylinder is fixedly connected to each of the two grooves. An auxiliary slider is slidably connected to each groove. The sliding holes on the two auxiliary sliders are slidably connected to the corresponding connecting cylinders. A collecting plate is fixedly connected to the upper side of the two auxiliary sliders.

[0014] The auxiliary slider moves to drive the collecting plate, which is used to collect bolts. The connecting cylinder is used to make the movement of the auxiliary slider more stable, thereby collecting bolts.

[0015] Furthermore, the forming unit also includes a collection fence and a protective door panel. The collection fence is provided on the upper side of the collection panel, and an inspection hole is provided on the front side of the fixed shell. The inspection hole is fixedly connected to the protective door panel. A handrail is provided on the front side of the protective door panel, and the protective door panel is fixedly connected to the corresponding collection panel.

[0016] The collection fence is used for protection to facilitate the collection of bolts, and the protective door is used to pull the collection plate to collect the bolts for use, thereby enabling centralized collection of bolts.

[0017] Compared with the prior art, the beneficial effects of this utility model are: 1. This cold heading forming device for welded bolts has the following advantages: It is equipped with a cold heading mold fixing unit, which uses a fixing shell to fix a fixing block. The fixing block is used to rotate a rotating cylinder. The power motor starts to provide power for the rotating cylinder to rotate. The rotating cylinder is used to fix a hexagonal block. The rotation of the hexagonal block facilitates the collection of the formed bolts and allows for the processing of bolts of different specifications. The snap-fit ​​strip is used to fix a connecting block. The connecting block is used to fix an auxiliary cylinder. The auxiliary cylinder makes the movement of the rectangular slider more stable. The movement of the rectangular slider adjusts the position of the mold clamping plate to fix and clamp the cold heading mold. The mold clamping plate is used to fix the cold heading mold. The cold heading mold is used to place raw materials for processing bolts. 2. This cold heading forming device for welded bolts has the following advantages: It is equipped with a forming unit, which is fixed by a bracket to fix an electric push rod. When the electric push rod is activated, its position is adjusted to move the forming stamping block. The moving forming stamping block cooperates with the cold heading mold. The auxiliary slider moves to move the collecting plate. The collecting plate is used to collect bolts. The connecting cylinder makes the movement of the auxiliary slider more stable. The collecting fence is used for protection to facilitate the collection of bolts. The protective door is used to pull the collecting plate to collect bolts for processing and fixing. 3. This cold heading forming device for welded bolts has the following advantages: it makes it easier to remove the formed bolts, reducing production costs; it makes it easier to change the forming mold; it can produce bolts of different specifications, improving production efficiency. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the front structure of this utility model; Figure 2 This is a schematic diagram of the side structure of the fixed shell of this utility model; Figure 3 This is a partial structural diagram of the cold heading die fixing unit of this utility model; Figure 4 This is a schematic diagram of the cross-sectional structure of the rear side of this utility model.

[0019] In the diagram: 1 Support platform, 2 Support leg, 3 Cold heading mold fixing unit, 31 Fixing shell, 32 Fixing block, 33 Rotating cylinder, 34 Power motor, 35 Hexagonal block, 36 Clip strip, 37 Connecting block, 38 Auxiliary cylinder, 39 Rectangular slider, 310 Mold clamping plate, 311 Cold heading mold, 4 Forming unit, 41 Fixing frame, 42 Electric push rod, 43 Forming stamping block, 44 Auxiliary slider, 45 Connecting cylinder, 46 Collection plate, 47 Collection fence, 48 Protective door panel. Detailed Implementation

[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0021] Please see Figure 1-4 This embodiment provides a technical solution: a cold heading forming device for welding bolts, including a support platform 1, a cold heading mold fixing unit 3, and a forming unit 4; Support platform 1: Two equally spaced support legs 2 are provided on the lower side. A cold heading mold fixing unit 3 is provided on the support platform 1. A forming unit 4 is provided on the rear side of the fixing shell 31 in the cold heading mold fixing unit 3. The cold heading mold fixing unit 3 includes a fixing shell 31, a fixing block 32, a rotating cylinder 33, a power motor 34, and a hexagonal block 35. A fixing shell 31 is provided on the upper side of the support platform 1. A snap-fit ​​hole is provided on the upper side of the fixing shell 31. A fixing block 32 is provided on the front and rear sides of the snap-fit ​​hole. The two fixing blocks 32 are rotatably connected to the rotating cylinder 33 through bearings. One of the rotating cylinders 33 is fixedly connected to the output shaft of the power motor 34. A motor support frame is provided on the fixing shell 31. The motor support frame is fixedly connected to the power motor 34. The two rotating cylinders 33 are fixedly connected to the hexagonal block 35. The hexagonal block 35 is set in the snap-fit ​​hole. The input end of the power motor 34 is electrically connected to the output end of the external power supply through an external control switch group.

[0022] Support platform 1 is used for assembling the device, support leg 2 is used for fixed support, cold heading mold fixing unit 3 is used to fix the forming device for cold heading forming, forming unit 4 is used for forming processing, fixing shell 31 is used to fix fixing block 32, fixing block 32 is used to rotate rotating cylinder 33, power motor 34 is started to provide power for rotating cylinder 33, rotating cylinder 33 is used to fix hexagonal block 35, hexagonal block 35 rotates to facilitate the collection of formed bolts, and at the same time to process bolts of different specifications, thereby producing bolts for use.

[0023] The cold heading die fixing unit 3 also includes a snap-fit ​​strip 36, a connecting block 37, an auxiliary cylinder 38, and a rectangular slider 39. Each face of the hexagonal block 35 has a snap-fit ​​groove, and a snap-fit ​​strip 36 is fixedly snapped into each snap-fit ​​groove. A connecting block 37 is fixedly snapped into each snap-fit ​​strip 36. Each connecting block 37 has a post at each of its four corners. Each connecting block 37 is fixedly connected to the corresponding hexagonal block 35 through the post. Each connecting block 37 has four sliding grooves, which are cross-shaped. An auxiliary cylinder 38 is fixedly connected into each sliding groove. A rectangular slider 39 is slidably connected into each sliding groove. The sliding hole on each rectangular slider 39 is slidably connected to the corresponding auxiliary cylinder 38.

[0024] The snap-fit ​​strip 36 is used to fix the connecting block 37, the connecting block 37 is used to fix the auxiliary cylinder 38, the auxiliary cylinder 38 is used to make the rectangular slider 39 move more stably, the rectangular slider 39 moves to adjust the position of the mold clamping plate 310, and to fix and clamp the cold heading mold 311, thereby facilitating quick replacement and use, and thus fixing the mold for use.

[0025] The cold heading die fixing unit 3 also includes a die clamping plate 310 and a cold heading die 311. A die clamping plate 310 is fixedly connected to each rectangular slider 39, and a cold heading die 311 is provided on each connecting block 37. The die clamping plate 310 on each connecting block 37 is fixedly connected to the cold heading die 311 by bolts.

[0026] The mold clamping plate 310 is used to fix the cold heading mold 311. The cold heading mold 311 is used to place the raw material and facilitate the processing of bolts, thereby performing cold heading.

[0027] The forming unit 4 includes a fixed frame 41, an electric push rod 42, and a forming stamping block 43. A fixed frame 41 is provided on the rear side of the fixed housing 31. The fixed frame 41 is fixedly connected to the electric push rod 42 through a fixed bracket. The extended end of the electric push rod 42 passes through the fixed frame 41 and is fixedly connected to the forming stamping block 43. The forming stamping block 43 corresponds to the cold heading mold 311. The input end of the electric push rod 42 is electrically connected to the output end of an external power supply through an external control switch group.

[0028] The fixing frame 41 is used to fix the electric push rod 42. The electric push rod 42 is started to adjust its position, thereby driving the forming stamping block 43 to move. The forming stamping block 43 moves to cooperate with the cold heading mold 311 to perform cold heading processing.

[0029] The molding unit 4 also includes an auxiliary slider 44, a connecting cylinder 45, and a collecting plate 46. Two equally spaced grooves are opened on the bottom surface of the inner shell 31. A connecting cylinder 45 is fixedly connected to each of the two grooves. An auxiliary slider 44 is slidably connected to each groove. The sliding holes on the two auxiliary sliders 44 are slidably connected to the corresponding connecting cylinders 45. A collecting plate 46 is fixedly connected to the upper side of the two auxiliary sliders 44.

[0030] The auxiliary slider 44 moves to drive the collecting plate 46 to move. The collecting plate 46 is used to collect bolts. The connecting cylinder 45 is used to make the movement of the auxiliary slider 44 more stable, thereby collecting bolts.

[0031] The forming unit 4 also includes a collection fence 47 and a protective door panel 48. The collection fence 47 is provided on the upper side of the collection plate 46. The front side of the fixing shell 31 is provided with an inspection hole, which is fixedly connected to the protective door panel 48. The front side of the protective door panel 48 is provided with a handrail, and the protective door panel 48 is fixedly connected to the corresponding collection plate 46.

[0032] The collection fence 47 is used for protection to facilitate the collection of bolts, and the protective door 48 is used to pull the collection plate 46 to collect and use the bolts, thereby enabling centralized collection of bolts for use.

[0033] The working principle of the cold heading forming device for welding bolts provided by this utility model is as follows: First, the fixed shell 31 is used to fix the fixed block 32. The fixed block 32 is used to rotate the rotating cylinder 33. The power motor 34 is started to provide power for the rotating cylinder 33 to rotate. The rotating cylinder 33 is used to fix the hexagonal block 35. The rotation of the hexagonal block 35 facilitates the collection of the formed bolts and also processes bolts of different specifications. The snap-fit ​​strip 36 is used to fix the connecting block 37. The connecting block 37 is used to fix the auxiliary cylinder 38. The auxiliary cylinder 38 is used to make the rectangular slider 39 move more stably. The movement of the rectangular slider 39 adjusts the position of the mold clamping plate 310 to fix and clamp the cold heading mold. The tool 311 and the mold clamping plate 310 are used to fix the cold heading mold 311. The cold heading mold 311 is used to place the raw material. Then, the fixing frame 41 is used to fix the electric push rod 42. The electric push rod 42 is started to adjust its position and drive the forming stamping block 43 to move. The forming stamping block 43 moves to cooperate with the cold heading mold 311. The auxiliary slider 44 moves to drive the collecting plate 46 to move. The collecting plate 46 is used to collect bolts. The connecting cylinder 45 is used to make the movement of the auxiliary slider 44 more stable. The collecting fence 47 is used for protection to facilitate the collection of bolts. The protective door plate 48 is used to pull the collecting plate 46 to collect bolts for processing.

[0034] It is worth noting that the core chip of the external control switch group disclosed in the above embodiments is a PLC microcontroller, the power motor 34 is a servo motor, and the external control switch group controls the electric push rod 42 and the power motor 34 using methods commonly used in the prior art.

[0035] The above description is merely an embodiment of this utility model and does not limit the patent scope of this utility model. Any equivalent structural or procedural transformations made based on the description and drawings of this utility model, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of this utility model.

Claims

1. A cold heading forming device for welding bolts, characterized in that: It includes a support platform (1), a cold heading mold fixing unit (3), and a forming unit (4); Support platform (1): Two equally spaced support legs (2) are provided on the lower side. A cold heading mold fixing unit (3) is provided on the support platform (1). A forming unit (4) is provided on the rear side of the fixing shell (31) in the cold heading mold fixing unit (3). Cold heading mold fixing unit (3): includes a fixing shell (31), a fixing block (32), a rotating cylinder (33), a power motor (34), and a hexagonal block (35). A fixing shell (31) is provided on the upper side of the support platform (1). A snap-fit ​​hole is provided on the upper side of the fixing shell (31). A fixing block (32) is provided on the front and rear sides of the snap-fit ​​hole. The two fixing blocks (32) are rotatably connected to the rotating cylinder (33) through bearings. One of the rotating cylinders (33) is fixedly connected to the output shaft of the power motor (34). A motor support frame is provided on the fixing shell (31). The motor support frame is fixedly connected to the power motor (34). The two rotating cylinders (33) are fixedly connected to the hexagonal block (35). The hexagonal block (35) is set in the snap-fit ​​hole. The input end of the power motor (34) is electrically connected to the output end of the external power supply through an external control switch group.

2. The cold heading forming device for welding bolts according to claim 1, characterized in that: The cold heading mold fixing unit (3) also includes a snap-fit ​​strip (36), a connecting block (37), an auxiliary cylinder (38), and a rectangular slider (39). Each face of the hexagonal block (35) is provided with a snap-fit ​​groove, and a snap-fit ​​strip (36) is fixedly snapped into each snap-fit ​​groove. A connecting block (37) is fixedly snapped into each snap-fit ​​strip (36). A pin is provided at each of the four corners of each connecting block (37). Each connecting block (37) is fixedly connected to the corresponding hexagonal block (35) through the pin. Each connecting block (37) is provided with four sliding grooves, which are cross-shaped on each connecting block (37). An auxiliary cylinder (38) is fixedly connected into each sliding groove. A rectangular slider (39) is slidably connected into each sliding groove. The sliding hole on each rectangular slider (39) is slidably connected to the corresponding auxiliary cylinder (38).

3. The cold heading forming device for welding bolts according to claim 2, characterized in that: The cold heading mold fixing unit (3) also includes a mold clamping plate (310) and a cold heading mold (311). A mold clamping plate (310) is fixedly connected to each rectangular slider (39), and a cold heading mold (311) is provided on each connecting block (37). The mold clamping plate (310) on each connecting block (37) is fixedly connected to the cold heading mold (311) by bolts.

4. The cold heading forming device for welding bolts according to claim 3, characterized in that: The forming unit (4) includes a fixed frame (41), an electric push rod (42), and a forming stamping block (43). A fixed frame (41) is provided on the rear side of the fixed shell (31). The fixed frame (41) is fixedly connected to the electric push rod (42) through a fixed bracket. The extension end of the electric push rod (42) passes through the fixed frame (41) and is fixedly connected to the forming stamping block (43). The forming stamping block (43) corresponds to the cold heading mold (311). The input end of the electric push rod (42) is electrically connected to the output end of the external power supply through an external control switch group.

5. The cold heading forming device for welding bolts according to claim 4, characterized in that: The forming unit (4) also includes an auxiliary slider (44), a connecting cylinder (45) and a collecting plate (46). The bottom surface of the fixed shell (31) has two equally spaced grooves. A connecting cylinder (45) is fixedly connected in each of the two grooves. An auxiliary slider (44) is slidably connected in each groove. The sliding holes on the two auxiliary sliders (44) are slidably connected on the corresponding connecting cylinders (45). A collecting plate (46) is fixedly connected on the upper side of the two auxiliary sliders (44).

6. The cold heading forming device for welding bolts according to claim 5, characterized in that: The forming unit (4) also includes a collection fence (47) and a protective door panel (48). The collection fence (47) is provided on the upper side of the collection plate (46). The front side of the fixed shell (31) is provided with an inspection hole. The inspection hole is fixedly connected to the protective door panel (48). The front side of the protective door panel (48) is provided with a handrail. The protective door panel (48) is fixedly connected to the corresponding collection plate (46).

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