CN215966009U - Small-size instrument of bending - Google Patents

Abstract

The utility model discloses a small-sized bending tool structure, which is characterized by comprising the following components: the device comprises a bottom plate, a supporting seat, a bending part and a push rod; the bottom surface of the supporting seat is raised and penetrates through the bottom plate, the supporting seat is recessed downwards to form a through groove with two open ends, and a clamping device for clamping a workpiece is arranged on the wall of the through groove; one end of the push rod is provided with a through hole and a columnar push pin shaft adjacent to the through hole; the bending component penetrates through the bottom plate and the through hole, and the bending component is in a static state when the push rod drives the columnar push pin shaft to bend the workpiece. The utility model has interchangeability and universality through simple multi-module combination, and when workpieces with different specifications are bent, the workpieces with different specifications can be bent into required shapes only by disassembling the replaced bending block and adjusting the supporting seat.

Description

Small-size instrument of bending

Technical Field

The utility model relates to the technical field of bending tools, in particular to a small bending tool.

Background

At present, electronic consumer products are all composed of various parts, and in order to enable the size of the products to be moderate, the parts in the products need to be processed into various shapes. Among them, when a wire or rod product is bent or rounded during processing, various bent shapes need to be formed by a dedicated apparatus. The common bending equipment is a spring machine, and the bending shape of the spring machine is not only required to be provided with special processing dies such as a bending cutting die and a line die, but also required to be adjusted by professional technicians. In addition, different dies such as a cutting die and a wire die are required for processing various shapes. The development cycle of the processing dies is long, the cost of the dies is high, machine adjusting personnel for the equipment are rare, and the factors cause that the process of changing the dies is extremely complicated when the parts are bent in different shapes.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem that equipment is inconvenient to change a die when products such as wires, bars and the like are processed in different shapes in the background art, the utility model adopts the following technical scheme;

a compact bending tool, comprising: the device comprises a bottom plate, a supporting seat, a bending part and a push rod;

the bottom surface of the supporting seat is raised and penetrates through the bottom plate, the supporting seat is recessed downwards to form a through groove with two open ends, and a clamping device for clamping a workpiece is arranged on the wall of the through groove;

one end of the push rod is provided with a through hole and a columnar push pin shaft adjacent to the through hole;

the bending component penetrates through the bottom plate and the through hole, and the bending component is in a static state when the push rod drives the columnar push pin shaft to bend the workpiece.

Wherein, the supporting seat still includes: a bearing platform and a height-adjusting rotary rod;

the bearing table is arranged in a cavity in the supporting seat, the top of the bearing table penetrates through the bottom surface of the through groove, the bottom of the bearing table is in contact with the bottom plate, and a sliding groove is formed in the side part of the bearing table along the height direction of the side part;

one end of the height-adjusting rotary rod penetrates through the side face of the supporting seat and is clamped in the sliding groove.

The bending component comprises a bending block, the bending block comprises a positioning block and a movable positioning block which are opposite and spaced, the positioning block is integrally semicircular disc-shaped, the movable positioning block faces to the straight surface of the positioning block, the straight surface of the positioning block is concave inwards to form a first groove, one end, connected with the straight surface, of the cambered surface of the positioning block is concave inwards to form a second groove, and the first groove is communicated with the second groove.

The bottom plate is provided with an arc-shaped notch, a limiting shaft penetrates through the notch, and the limiting shaft is used for limiting the rotation range of the push rod.

The small bending tool further comprises a positioning seat, the positioning seat comprises a first plate and a second plate which form an L shape, the first plate is fixed on the bottom plate, and the second plate faces the supporting seat.

Further, the receiving station includes: a supporting slide block and a height-adjusting slide block;

the top of the supporting sliding block penetrates through the bottom surface of the through groove, and the bottom of the supporting sliding block is inclined;

the top of the heightening sliding block is inclined with the bottom of the supporting sliding block, the bottom of the heightening sliding block is in contact with the surface of the bottom plate, and the sliding groove is located on the side of the heightening sliding block.

Furthermore, the bending component also comprises a bottom shaft and a positioning shaft;

the bottom of the bottom shaft is inserted into the bottom plate, the top of the bottom shaft is sleeved with the positioning shaft, and a limiting hole is formed in the side part of the bottom shaft;

the bottom of the positioning shaft penetrates through the through hole to be sleeved with the bottom shaft, the bending block is arranged at the top of the positioning shaft, and the push rod can rotate around the positioning shaft.

Has the advantages that: the utility model has interchangeability and universality through simple multi-module combination, and when workpieces with different specifications are bent, the workpieces can be continuously processed into different bending shapes only by disassembling the replaced bending block and adjusting the supporting seat.

Drawings

FIG. 1 is a schematic diagram of a compact bending tool according to an embodiment of the present invention;

FIG. 2 is a schematic diagram of an overall explosion configuration of a small bending tool according to an embodiment of the present invention;

FIG. 3 is a schematic structural diagram of a clamping device according to an embodiment of the present invention;

FIG. 4 is a schematic diagram of an exploded structure of a docking station according to an embodiment of the present invention;

FIG. 5 is a schematic diagram of an overall exploded view of a bending member according to an embodiment of the present invention;

FIG. 6 is a schematic structural diagram of a pair of bending blocks provided according to an embodiment of the present invention;

fig. 7 is a schematic cross-sectional view of a small bending tool according to an embodiment of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

It will be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in an orientation or positional relationship indicated in the drawings for convenience in describing the patent and to simplify the description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed in a particular orientation, and be constructed in a particular manner of operation, and are not to be considered limiting of the patent.

Fig. 1 is a schematic view of an overall structure of a small bending tool according to an embodiment of the present invention.

Referring to fig. 1, a bottom plate 1 of the small bending tool is arranged on a horizontal working table, the whole body is in a square plate shape, and a plurality of mounting holes with different shapes and sizes are formed in the top surface of the small bending tool at intervals. The small-size instrument of bending includes positioning seat 5, supporting seat 2, the bottom shaft 33 that linearly aligns in bottom plate 1 top surface middle part to and wear to locate the spacing axle 6 of 1 top surface one side of bottom plate. One end of the workpiece is abutted against the side surface of the positioning seat 5, the other end of the workpiece penetrates through the bending block 31 fixed on the top of the positioning shaft 32, and the side surface of the whole workpiece is clamped and supported by the top of the supporting seat 2.

Fig. 2 is a schematic diagram of an overall explosion structure of a small bending tool according to an embodiment of the present invention.

Fig. 7 is a schematic cross-sectional view of a small bending tool according to an embodiment of the present invention.

Referring to fig. 2 and 7 together, the supporting seat 2 is in a block shape, and the bottom of the supporting seat protrudes and is inserted into a corresponding mounting hole of the bottom plate 1, and the supporting seat is fixedly connected with the bottom plate 1 through a connecting member 34, wherein the connecting member 34 includes, but is not limited to, a screw, a bolt, and the like. The top of the supporting seat 2 is downwards provided with a through groove for accommodating a workpiece. Clamping devices 23 are respectively arranged in the front and the back of the two side walls of the through groove in a penetrating way. The interior of the support seat 2 below the bottom surface of the rectangular through groove is hollow to form a cavity 214 with two open ends. After the supporting base 2 is fixed to the bottom plate 1, the receiving platform 21 is telescopically disposed in the cavity 214, one end of the receiving platform extends out of the bottom surface of the through groove, and the other end of the receiving platform abuts against the bottom plate 1. The receiving platform 21 is located below the clamping device 23, and the height difference between the receiving platform and the clamping device 23 can be adjusted according to the specifications of different workpieces.

Fig. 3 is a schematic structural diagram of a clamping device according to an embodiment of the present invention.

Referring to fig. 3, specifically, each clamping device 23 is composed of a lead screw 231 and a pair of limiting blocks 232, each pair of limiting blocks 232 is disposed through two ends of the same lead screw 231, and two ports of each lead screw 231 are respectively rotatably connected with an adjusting knob 233. The lead screw 231 is inserted into two side walls of the through groove, and two rotatable adjusting knobs 233 are respectively fixed at two ends of the lead screw. When the adjusting knob 233 rotates, the lead screw 231 rotates along with the adjusting knob 233 and drives each of the limiting blocks 232 to move correspondingly. In other embodiments, the clamping device 23 may also be a cylinder, a hydraulic rod, or the like.

Fig. 4 is a schematic diagram of an exploded structure of a docking station according to an embodiment of the present invention.

Referring to fig. 4 and 7 together, in detail, the receiving table 21 is divided into a supporting slider 211 and a height-adjusting slider 212. The bottom surface of the supporting sliding block 211 is inclined, and a convex block 213 which penetrates through the limiting hole on the bottom surface of the sliding groove 2121 is protruded upwards from the top surface, and the convex block 213 is rectangular and matched with the limiting hole in shape and size. The top surface of the height-adjusting slider 212 is an inclined surface and is matched with the bottom surface of the supporting slider 211, and the bottom surface of the height-adjusting slider 212 is abutted against the top surface of the bottom plate 1. The higher side of the height-adjusting slider 212 in the width direction is recessed toward the length direction thereof, and a T-shaped sliding groove 2121 having an inwardly enlarged notch diameter is formed extending in the height direction. One end of the height-adjusting rotary rod 22 is a bolt, and the other end is a clamping joint 222 with a T-shaped section. The supporting base 2 is provided with a through hole on the side opposite to the groove of the height-adjusting slider 212, and the end of the height-adjusting rotary rod 22 where the clamping head 222 is located enters the cavity 214 through the through hole and is clamped in the sliding groove 2121 of the height-adjusting slider 212. When the height-adjusting rotary rod 22 is screwed, the height-adjusting slider 212 is pushed and the supporting slider 211 is horizontally limited by the limiting hole, so that the supporting slider 211 ascends or descends in the vertical direction.

Fig. 5 is a schematic diagram of an overall exploded structure of a bending part according to an embodiment of the present invention.

Referring to fig. 5, the bending member 3 includes: bottom shaft 33, positioning shaft 33 and bending block 31. The bottom shaft 33 is cylindrical, one end of the bottom shaft is fixed in the bottom plate 1, and the other end is provided with a round hole and is sleeved with the positioning shaft 32 which is concentric with the round hole. The top shaft body of the bottom shaft 33 is provided with a through hole 331, after the positioning shaft 32 is sleeved, the bottom shaft 33 and the positioning shaft 32 are limited and fixed by a connecting piece 34 penetrating through the through hole 331, and the connecting piece 34 includes but is not limited to a screw, a bolt and the like. The positioning shaft 32 is a rod member having a T-shape as a whole, and is divided into an upper portion having a larger diameter and a lower portion having a smaller diameter. The upper part of the upper part is provided with a hole and fixes a movable positioning block 312 and a positioning block 311, and the lower part is fixedly sleeved with the bottom shaft 33. The push rod 4 is rotatably connected with the lower shaft body of the positioning shaft 32, and after the bottom shaft 33 is fixedly sleeved with the positioning shaft 32, the push rod 4 is positioned between the positioning shaft 32 and the positioning pin. The surface of the push rod 4 is fixedly provided with a push pin shaft 41 linearly aligned with the movable positioning block 312, when the push rod 4 is rotated, the push rod 4 and the push pin shaft 41 are relatively static, and the push rod 4 and the push pin shaft 41 both rotate by taking the positioning shaft 32 as a circle center.

Fig. 6 is a schematic structural diagram of a pair of bending blocks according to an embodiment of the present invention.

Referring to fig. 6, the bending block 31 includes: a locating block 311 and a movable locating block 312. The positioning block 311 is a semicircular disc, one side of which is an arc surface, and the other side of which is a straight surface provided with a semicircular first groove 3111. The first groove 3111 extends from a surface of the positioning block 311 on a straight side, and forms a second groove 3112 communicating with the first groove 3111 after being turned along a side of the arc surface of the positioning block 311. The movable positioning block 312 is shaped like a rectangular block with a certain radian and is arranged opposite to one side of the straight surface of the positioning block 311. Both tops of the positioning shaft and the positioning shaft are provided with through connecting holes, and the fixing piece 61 is arranged in the connecting holes in a penetrating way and fixed on the top surface of the positioning shaft 32. The fixing member 61 includes, but is not limited to, a screw, a bolt, etc. The positioning block 311 and the movable positioning block 312 clamp the workpiece in the first groove 3111, and after the push rod 4 is rotated, the push pin 41 bends the workpiece along the second groove 3112.

Referring to fig. 5, the push pin shaft 41 has a cylindrical shape and is fixed to a mounting hole 42 formed in the top surface of the push rod 4. When the bending process is performed, the push rod 4 rotates, and the workpiece is bent along the arc surface of the positioning block 311 under the action of the torque of the push pin shaft 41, so that the workpiece is bent into a shape similar to the side surface of the positioning block 311. When workpieces with different specifications and different shapes are machined, bending machining of workpieces of different types and different shapes can be completed without adjusting the die of equipment only by replacing the positioning blocks 311 with different side surface shapes and different diameters and correspondingly changing the positions of the movable positioning blocks 312.

Furthermore, an L-shaped positioning seat 5 is further mounted on the bottom plate 1 on one side of the clamping member, and the whole positioning seat 5 is divided into a first plate 51 parallel to the horizontal working table and a second plate 52 vertical to the horizontal working table. Wherein, the top surface of the first plate 51 is provided with a positioning groove 53, and the positioning seat 5 is fixed with the bottom plate 1 through a fixing member penetrating through the positioning groove 53 of the first plate 51. The fasteners include, but are not limited to, bolts, screws, and the like. The second plate 52 of the positioning socket 5 has a flat surface. When the workpiece is mounted and fixed, the side surface of the second plate 52 abuts against one end port of the workpiece, and the workpiece body is clamped by the stopper 232 of the clamping device 23. After the workpiece passes through the supporting seat 2, the other end port of the workpiece passes through between the positioning block 311 and the movable positioning block 312. Under the action of the positioning seat 5 and the clamping component, the workpiece is stably clamped between the positioning seat and the clamping component all the time in the machining process.

Optionally, the top surface of the bottom plate 1 is provided with an arc-shaped notch 11, and the notch 11 is aligned with the rotation track of the abutting part of the push rod 4. The limiting shaft 6 penetrates through the notch 11 on the bottom plate 1 from bottom to top, and the fixing part 61 is sleeved and mounted at a required position, so that the whole limiting shaft 6 is fixed. The mounting fixture 61 includes, but is not limited to, a nut, a sleeve, etc. The push rod 4 is rotated to be bent, and after the designed angle is machined, the shaft body of the limiting shaft 6 is abutted against the abutting part of the push rod 4. Therefore, the angle range of each time the push rod 4 rotates has an extreme value, so that workpieces with the same size can be quickly obtained during machining.

In summary, the utility model has interchangeability and universality through simple multi-module combination, and when workpieces of different specifications are bent, the workpieces of different specifications can be bent into required shapes without replacing and resetting the machine by only disassembling the replaced bending block and adjusting the supporting seat. Further, the positioning seat and the clamping device are arranged, so that the stability of the workpiece in the machining engineering is further enhanced, and the bending angle is more accurate. Further, the grooves arranged on the side faces of the positioning blocks can accommodate the workpieces, so that deformation of the workpieces in the bending process is greatly reduced. Furthermore, the limiting shaft arranged on the bottom plate can accelerate the processing of workpieces with the same design requirement, so that workpieces with the same size can be quickly obtained.

The foregoing description has described certain embodiments of this invention. Other embodiments are within the scope of the following claims.

The terms "exemplary," "example," and the like, as used throughout this specification, mean "serving as an example, instance, or illustration," and do not mean "preferred" or "advantageous" over other embodiments. The detailed description includes specific details for the purpose of providing an understanding of the described technology. However, the techniques may be practiced without these specific details. In some instances, well-known structures and devices are shown in block diagram form in order to avoid obscuring the concepts of the described embodiments.

Alternative embodiments of the present invention are described in detail with reference to the drawings, however, the embodiments of the present invention are not limited to the specific details in the above embodiments, and within the technical idea of the embodiments of the present invention, many simple modifications may be made to the technical solution of the embodiments of the present invention, and these simple modifications all belong to the protection scope of the embodiments of the present invention.

The previous description of the disclosure is provided to enable any person skilled in the art to make or use the disclosure. Various modifications to the disclosure will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other variations without departing from the scope of the disclosure. Thus, the description is not intended to be limited to the examples and designs described herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (7)

1. A small bending tool, comprising: the device comprises a bottom plate (1), a supporting seat (2), a bending part (3) and a push rod (4);

the bottom surface of the supporting seat (2) is raised and penetrates through the bottom plate (1), the supporting seat (2) is recessed downwards to form a through groove with two open ends, and a clamping device (23) for clamping a workpiece is arranged on the wall of the through groove;

one end of the push rod (4) is provided with a through hole and a columnar push pin shaft (41) adjacent to the through hole;

the bending component (3) penetrates through the bottom plate (1) and the through hole, and the bending component (3) is in a static state when the push rod (4) drives the columnar push pin shaft (41) to bend the workpiece.

2. The small bending tool according to claim 1, wherein the support base (2) further comprises: a bearing table (21) and a height-adjusting rotary rod (22);

the bearing table (21) is arranged in a cavity (214) in the supporting seat (2), the top of the bearing table (21) penetrates through the bottom surface of the through groove, the bottom of the bearing table (21) is in contact with the bottom plate (1), and a sliding groove (2121) is formed in the side part of the bearing table (21) along the height direction of the side part;

one end of the height-adjusting rotating rod (22) penetrates through the side surface of the supporting seat (2) and is clamped in the sliding groove (2121).

3. Small bending tool according to claim 2, wherein said receiving table (21) comprises: a supporting slide block (211) and a height-adjusting slide block (212);

the top of the supporting sliding block (211) penetrates through the bottom surface of the through groove, and the bottom of the supporting sliding block (211) is inclined;

the top of the height-adjusting sliding block (212) is in an inclined shape matched with the bottom of the supporting sliding block (211), the bottom of the height-adjusting sliding block (212) is in contact with the surface of the bottom plate (1), and the sliding groove (2121) is located on the side of the height-adjusting sliding block (212).

4. The small bending tool according to claim 1, wherein the bending member (3) comprises a bending block (31), the bending block (31) comprises a positioning block (311) and a movable positioning block (312) which are opposite and spaced from each other, the positioning block (311) is integrally semicircular disc-shaped, the movable positioning block (312) faces a straight surface of the positioning block (311), the straight surface of the positioning block (311) is recessed to form a first groove (3111), one end of the cambered surface of the positioning block (311) connected with the straight surface is recessed to form a second groove (3112), and the first groove (3111) is communicated with the second groove (3112).

5. The small bending tool according to claim 4, wherein the bending part (3) further comprises a bottom shaft (33), a positioning shaft (32);

the bottom of the bottom shaft (33) is inserted into the bottom plate (1), the top of the bottom shaft (33) is sleeved with the positioning shaft (32), and a limiting hole is formed in the side part of the bottom shaft (33);

the bottom of the positioning shaft (32) penetrates through the through hole to be sleeved with the bottom shaft (33), the bending block (31) is arranged at the top of the positioning shaft (32), and the push rod (4) can rotate around the positioning shaft (32).

6. The small bending tool according to claim 1, wherein an arc-shaped notch (11) is further formed in the base plate (1), a limiting shaft (6) penetrates through the notch (11), and the limiting shaft (6) is used for limiting the rotation range of the push rod (4).

7. The minimal bending tool according to any one of claims 1 to 6, further comprising a positioning socket (5), wherein the positioning socket (5) comprises a first plate (51) and a second plate (52) forming an L-shape with each other, the first plate (51) being fixed to the base plate (1), the second plate (52) facing the support base (2).

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