Material belt cutting mechanism of needle-shaped terminal

Abstract

The utility model discloses a material belt cutting mechanism for needle-shaped terminals, which is arranged on one side of a feeding line body extending in the X direction in the Y direction, and the feeding line body can convey a material belt and a plurality of terminals which are arranged on one side of the feeding line body in the Y direction in the X direction and are integrally formed with the feeding line body. The device is characterized by comprising a rack, and a front pushing assembly, a lower supporting assembly and a cutting assembly which are arranged on the rack. According to the utility model, the third driving device for driving the cutting material belt is hinged on the sliding plate, and the connecting rod hinged with the cutter and the third driving device is arranged between the cutter and the third driving device, so that the cutting driving force of the third driving device to the cutter can be effectively reduced, the shearing force of the cutting action to the terminal is reduced, and the deformation of the terminal is reduced; and the supporting plate with the limited stroke is matched with the cutter, so that the cutting stroke can be accurately controlled, and the deformation of the terminal is controlled to be the minimum value, so that the production requirement of subsequent high-precision assembly is met.

Description

TECHNICAL FIELD

[0001] The utility model relates to automatic cutting jig technical field, especially relates to the material band cutting mechanism of needle -shaped terminal. BACKGROUND

[0002] The terminal is the main functional component on the connector, and the precision thereof is relatively high in manufacturing and assembling production. In production, for the convenience of operation, the terminal and the material band are generally punched into shape together and stored and transported in a roll, and the terminal is cut from the material band after the roll is opened.

[0003] The needle-shaped terminal is a terminal with a long and narrow structure, and the cross section thereof is generally a polygonal structure. The material band is generally arranged at one end or both ends in the axial direction. In the cutting process, the radial shearing force often causes the deformation of the terminal end, affects the flatness of the terminal, and further affects the assembly efficiency and yield of the subsequent assembly process, and also directly affects the terminal retention force and plugging feeling of the finished product. UTILITY MODEL CONTENT

[0004] In view of the problems in the prior art, the utility model provides a material band cutting mechanism of a needle-shaped terminal. The third driving device for driving the cutting of the material band is hinged to the sliding plate, and the connecting rod is hinged between the cutting knife and the third driving device. The cutting driving force of the third driving device on the cutting knife can be effectively slowed down, the shearing force of the cutting action on the terminal can be slowed down, the deformation of the terminal can be slowed down, the cutting stroke can be accurately controlled by the cooperation of the stroke-limited supporting plate and the cutting knife, the deformation of the terminal can be controlled to the minimum value, and the production demand of subsequent high-precision assembly can be met.

[0005] To solve the above technical problems, the utility model adopts a technical scheme as follows:

[0006] The material band cutting mechanism of the needle-shaped terminal is arranged on one side of the material feeding line body extending in the X direction. The material feeding line body can feed the material band and a plurality of terminals arranged on one side thereof in the Y direction and integrally formed with the material feeding line body in the X direction. The material band cutting mechanism comprises a rack and a front pushing assembly, a lower supporting assembly and a cutting assembly arranged on the rack, wherein:

[0007] The rack is arranged below the material feeding line body;

[0008] The front pushing assembly comprises a sliding plate slidingly arranged on the upper end of the rack and arranged below the material feeding line body on the side of the Y direction. The sliding plate is in transmission connection with the first driving device and can slide along the Y direction on the rack under the driving of the first driving device to approach or move away from the material feeding line body;

[0009] The lower supporting assembly is arranged at the side end of the slide plate close to the upper feeding line body, comprising a second driving device and a supporting plate in transmission connection with the second driving device and extending along the Z direction, the second driving device can drive the supporting plate to move along the Z direction to abut against the connecting position of the material belt and a terminal on the upper feeding line body;

[0010] The cutting assembly is arranged at the upper end of the slide plate, comprising a supporting plate detachably and fixedly arranged on the slide plate and extending along the Z direction, the upper end of the supporting plate is hingedly connected with a connecting rod extending along the Y direction, one end of the connecting rod extends above the upper feeding line body and is hingedly connected with a cutter extending along the Z direction, the lower end of the cutter is arranged above the supporting plate, the other end of the connecting rod is hingedly connected with the output end of a third driving device through a first connecting piece, the third driving device is hingedly connected with the slide plate through a second connecting piece; the third driving device can drive one end of the connecting rod to swing up and down and drive the cutter to move along the Z direction to cut off the connecting position of the material belt and a terminal in cooperation with the supporting plate.

[0011] As a further elaboration of the above technical solutions:

[0012] In the above technical solutions, the first connecting piece is a U-shaped support, two opposite side walls of the U-shaped support extend to the two sides of the connecting rod and are hingedly connected with the connecting rod, and the bottom wall of the U-shaped support is detachably and fixedly arranged on the output end of the third driving device; the second connecting piece comprises a first rotary piece and a second rotary piece which are hingedly connected, the first rotary piece is detachably and fixedly arranged on the slide plate, and the second rotary piece is detachably and fixedly arranged on the third driving device.

[0013] In the above technical solutions, the rack is further provided with a first sliding groove and a first limiting piece, the first sliding groove extends along the Y direction and is matched with the slide plate to guide the sliding direction of the slide plate, and the first limiting piece is arranged between the first rotary piece and the supporting plate to limit the Y direction displacement of the first rotary piece.

[0014] In the above technical solutions, the slide plate is further provided with a second sliding groove and a second limiting piece, the second sliding groove extends along the Z direction and is matched with the supporting plate to guide the translation direction of the supporting plate, and the second limiting piece is arranged on the slide plate and above the Z direction of the supporting plate to limit the Z direction displacement of the supporting plate.

[0015] In the above technical solutions, the supporting plate is further provided with a third sliding groove and a third limiting piece, the third sliding groove extends along the Z direction and is matched with the cutter to guide the translation direction of the cutter, and the third limiting piece is arranged on the two sides of the cutter in the X direction and can limit the Z direction displacement of the cutter.

[0016] In the technical scheme, the cutter comprises a detachably fixed mounting plate and a cutter body, the mounting plate extends along the Z direction and is embedded in the third slide, the upper end of the mounting plate is hinged to the connecting rod, and the other end is detachably fixed to the cutter body.

[0017] In the technical scheme, the cutter is formed with a stopping part and a cutting part arranged in steps along the X direction at the end of the feeding line body, the stopping part can extend to directly above the end of the feeding line body along the X direction, the cutting part can extend to directly above the position where the material belt meets the terminal, and the lower end of the cutting part is formed with a zigzag cutting groove; the slide plate is formed with a first avoiding groove for avoiding the stopping part.

[0018] In the technical scheme, the supporting plate is formed with a supporting part and a limiting part arranged in steps along the Y direction, the supporting part is arranged directly below the cutting part, and the limiting part is arranged directly below the second limiting member; the slide plate is formed with a second avoiding groove for avoiding the supporting part.

[0019] In the technical scheme, the first driving device, the second driving device and the third driving device are all linear cylinders.

[0020] Compared with the prior art, the beneficial effects of the utility model lie in that the third driving device for cutting the material belt is hinged to the slide plate, and a connecting rod is arranged between the cutter and the third driving device and hinged to both of them, so that the cutting driving force of the third driving device on the cutter can be effectively reduced, the shearing force of the cutting action on the terminal can be reduced, the deformation of the terminal can be reduced, the supporting plate and the cutter are matched with each other and the cutting stroke can be accurately controlled, the deformation of the terminal can be controlled to the minimum value, and the production requirements of subsequent high-precision assembly can be met. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 is a structural schematic view of the embodiment; (the feeding line body is not shown, and only one terminal on the feeding line body and the material belt connected to the terminal are shown)

[0022] Figure 2 is a structural schematic view of the front pushing assembly in the embodiment;

[0023] Figure 3 is a structural schematic view of the lower supporting assembly in the embodiment;

[0024] Figure 4 is a structural schematic view of the cutting assembly in the embodiment;

[0025] Figure 5 is a structural schematic view of the cutter in the embodiment;

[0026] Figure 6 is a structural schematic view of the supporting plate in the embodiment.

[0027] In the figure: 21, material belt; 22, terminal; 30, rack; 31, first slide; 32, first limiting piece; 40, front pushing assembly; 41, sliding plate; 42, first driving device; 43, second slide; 44, second limiting piece; 50, lower supporting assembly; 51, second driving device; 52, supporting plate; 60, cutting assembly; 61, supporting plate; 62, connecting rod; 63, cutter; 64, third driving device; 65, first connecting piece; 66, third slide; 67, third limiting piece; 68, second connecting piece; 1, first rotating piece; 2, second rotating piece; 3, mounting plate; 4, cutter body; 5, stop portion; 6, cutting portion; 7, cutting groove; 8, first avoiding groove; 9, top supporting portion; 10, limiting portion; 11, second avoiding groove. DETAILED DESCRIPTION

[0028] The utility model will be made further detailed explanation below combining with the drawing.

[0029] The embodiments described with reference to the drawings are exemplary and are intended to explain the present application, and are not to be understood as limiting the present application. In the description of the present application, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like indicate the orientation or positional relationship shown in the drawings based on the orientation or positional relationship, and are only for the purpose of facilitating the description of the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features defined as "first", "second" can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "several", "a plurality of" is two or more, unless otherwise explicitly specified and limited. In the present application, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection", "fixing" and the like should be understood broadly, for example, can be fixed connection, can also be detachable connection, or integrally connected; can be mechanical connection, can also be electrical connection; can be directly connected, can also be indirectly connected through an intermediate medium, can be the communication between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances. In the present application, unless otherwise explicitly specified and limited, the "upper" or "lower" of the first feature to the second feature can include the direct contact of the first and second features, or can include the contact of the first and second features through another feature between them. Moreover, the "upper", "upper" and "upper" of the first feature to the second feature include the first feature above and obliquely above the second feature, or only indicate that the first feature is higher than the second feature in horizontal height. The "lower", "lower" and "lower" of the first feature to the second feature include the first feature below and obliquely below the second feature, or only indicate that the first feature is lower than the second feature in horizontal height.

[0030] As Figure 1 shown, the material tape cutting mechanism of the needle-shaped terminal is provided on the Y-direction side of the X-direction extending feeding line body, the feeding line body can feed the material tape 21 and a plurality of terminals 22 arranged on the Y-direction side thereof along the X-direction and integrally formed with the feeding line body; comprising a rack 30 and a front pushing assembly 40, a lower supporting assembly 50 and a cutting assembly 60 installed thereon, the rack 30 is arranged below the feeding line body.

[0031] As Figure 2As shown, the front pushing assembly 40 includes a sliding plate 41 slidingly arranged on the upper end of the frame 30 and arranged beside the upper feeding line body in Y direction, the sliding plate 41 is in transmission connection with the first driving device 42 and can slide on the frame 30 in Y direction under the driving of the first driving device 42 to approach or move away from the upper feeding line body. In the embodiment, the frame 30 is further provided with a first sliding groove 31 and a first limiting piece 32, the first sliding groove 31 extends in Y direction and is matched with the sliding plate 41 to guide the sliding direction of the sliding plate 41, and the first limiting piece 32 is arranged between the first rotating piece 1 and the support plate 61 to limit the Y direction displacement of the first rotating piece 1. In order to facilitate production processing and assembly adjustment, the end of the sliding plate 41 towards the upper feeding line body is detachably and fixedly provided with a plurality of heightening blocks, so that the height can be flexibly adjusted to make the cutting knife 63 and the support plate 52 better match the upper feeding line body, which can be set and adjusted according to actual situation in production. In order to simplify the drawing file, the heightening blocks are also regarded as a part of the sliding plate 41 in the schematic view.

[0032] As shown in the schematic view, Figure 3 The lower supporting assembly 50 is arranged at the side end of the sliding plate 41 close to the upper feeding line body, and includes a second driving device 51 and a support plate 52 in transmission connection with the second driving device 51 and extending in Z direction, the second driving device 51 can drive the support plate 52 to move in Z direction to top at the connection between the feeding belt 21 and the one end 22 of the upper feeding line body. In the embodiment, the sliding plate 41 is further provided with a second sliding groove 43 and a second limiting piece 44, the second sliding groove 43 extends in Z direction and is matched with the support plate 52 to guide the translation direction of the support plate 52, and the second limiting piece 44 is arranged on the sliding plate 41 and above the support plate 52 in Z direction to limit the Z direction displacement of the support plate 52.

[0033] As shown in the schematic view, Figure 4As shown, the cutting assembly 60 is arranged at the upper end of the slide plate 41, and includes a support plate 61 detachably and fixedly arranged on the slide plate 41 and extending along the Z direction, the upper end of the support plate 61 is hingedly connected with a connecting rod 62 extending along the Y direction, one end of the connecting rod 62 extends above the feeding line body and is hingedly connected with a cutter 63 extending along the Z direction, the lower end of the cutter 63 is arranged directly above the support plate 52, the other end of the connecting rod 62 is hingedly connected with the output end of the third driving device 64 through a first connecting piece 68, and the third driving device 64 is hingedly connected with the slide plate 41 through a second connecting piece 65; the third driving device 64 can drive the one end of the connecting rod 62 to swing up and down and drive the cutter 63 to move along the Z direction, so as to cooperate with the support plate 52 to cut off the connection between the material belt 21 and the terminal 22. In the embodiment, the first connecting piece 68 is a U-shaped support, the two opposite side walls of the U-shaped support extend to the two sides of the connecting rod 62 and are hingedly connected with the connecting rod 62, and the bottom wall of the U-shaped support is detachably and fixedly arranged on the output end of the third driving device 64; the second connecting piece 65 includes a first rotary piece 1 and a second rotary piece 2 which are hingedly connected, the first rotary piece 1 is detachably and fixedly arranged on the slide plate 41, and the second rotary piece 2 is detachably and fixedly arranged on the third driving device 64; the support plate 61 is further provided with a third sliding groove 66 and a third limiting piece 67, the third sliding groove 66 extends along the Z direction and is matched with the cutter 63 to guide the translation direction of the cutter 63, and the third limiting piece 67 is arranged on the two sides of the cutter 63 along the X direction and can limit the Z direction displacement of the cutter 63.

[0034] As shown in Figure 5 The cutter 63 includes a mounting plate 3 and a cutter body 4 which are detachably and fixedly connected, the mounting plate 3 extends along the Z direction and is matched and embedded in the third sliding groove 66, the upper end of the mounting plate 3 is hingedly connected with the connecting rod 62, and the other end is detachably and fixedly connected with the cutter body 2; the end of the cutter 63 facing the feeding line body is formed with a stop portion 5 and a cutting portion 6 which are arranged in steps along the X direction, the stop portion 5 can extend directly above the end of the feeding line body along the X direction, the cutting portion 6 can extend directly above the joint between the material belt 21 and the terminal 22, and the lower end of the cutting portion 6 is formed with a few-shaped cutting groove 7; the slide plate 41 is formed with a first avoiding groove 8 for avoiding the stop portion 5.

[0035] As shown in Figure 6 The support plate 52 is formed with a supporting portion 9 and a limiting portion 10 which are arranged in steps along the Y direction, the supporting portion 9 is arranged directly below the cutting portion 6, and the limiting portion 10 is arranged directly below the second limiting piece 44; the slide plate 41 is formed with a second avoiding groove 11 for avoiding the supporting portion 9.

[0036] In the embodiment, the first driving device 42, the second driving device 51 and the third driving device 64 are all linear air cylinders.

[0037] In work, the first drive device 42 drives the sliding plate 41 to move along the Y direction and close to the feeding line body and move to the lower side of the material belt 21 and the terminal 22, the sliding plate 41 drives the first rotary part 1 and the support plate 61 to move forward synchronously, the first limiting part 32 can limit the maximum forward distance of the first rotary part 1 to limit the maximum displacement of the sliding plate 41; the second drive device 51 drives the support plate 52 to move upwards, the limiting part 10 on the support plate 52 is blocked by the second limiting part 44, and the supporting part 9 is arranged at the connecting position of the terminal 22 and the material belt 21; the third drive device 64 drives the first connecting part 68 to move away from the support plate 61, the connecting rod 62 pulls the first connecting part 68 and rotates relative to the first connecting part 68, the first rotary part 1 (the sliding block 41) pulls the second rotary part 2 (the third drive device 64) and rotates relative to the second rotary part 2, the rotating force of the connecting rod 62 relative to the support plate 61 is reduced under the linkage of the parts, the cutter 63 at the other end of the connecting rod 62 is driven to move slowly, the cutter 63 rotates relative to the connecting rod 62 and moves downward in the Z direction, the blocking part 5 of the cutter 63 extends to the side of the material belt 21 and the terminal 22 through the second avoiding groove 8, the cutting part 6 of the cutter 63 is arranged at the connecting position of the terminal 22 and the material belt 21 and the connecting position is arranged in the cutting groove 7, and the cutting part 6 cooperates with the supporting part 9 to cut the connecting position in the cutting groove 7.

[0038] The third drive device 64 for cutting the material belt is hinged to the sliding plate 41, the connecting rod 62 is arranged between the cutter 63 and the third drive device 64 and is hinged to the cutter 63 and the third drive device 64, the cutting driving force of the third drive device 64 on the cutter 63 can be effectively reduced, the shearing force of the cutting action on the terminal 22 is reduced, the deformation of the terminal 22 is reduced, the supporting plate 52 and the cutter 63 are matched with each other and the stroke is limited, the cutting stroke can be accurately controlled, the deformation of the terminal 22 is controlled to be minimum, and the production requirement of subsequent high-precision assembly can be met.

[0039] The above is not any limitation on the technical range of the utility model, and any modification, equivalent change and modification made according to the technical essence of the utility model to the above embodiments still belong to the range of the technical scheme of the utility model.

Claims

1. A pin terminal tape cutting mechanism, provided on a Y direction side of an X direction extending feeding line body, the feeding line body being capable of feeding a tape and a plurality of terminals arranged on the Y direction side thereof along the X direction and each being integrally formed with the feeding line body; characterized in that, The machine frame is arranged below the feeding line body. The front pushing assembly comprises a sliding plate slidingly arranged on the upper end of the machine frame and arranged beside the feeding line body in Y direction. The lower supporting assembly is arranged at the side end of the sliding plate close to the feeding line body and comprises a second driving device and a supporting plate drivingly connected with the second driving device and extending in Z direction. The cutting assembly is arranged at the upper end of the sliding plate and comprises a supporting plate detachably and fixedly arranged on the sliding plate and extending in Z direction. The first connecting member is a U-shaped bracket, the two opposite side walls of which extend to the two sides of the connecting rod and are hingedly connected therewith, and the bottom wall of which is detachably and fixedly arranged on the output end of the third driving device.

2. The pin terminal tape cutting mechanism according to claim 1, wherein The second connecting member comprises a first rotary member and a second rotary member which are hingedly connected.

3. The needle terminal tape cutting mechanism according to claim 2, wherein The machine frame is further provided with a first sliding channel and a first limiting member.

4. The pin terminal tape cutting mechanism according to claim 1, wherein The sliding plate is further provided with a second sliding channel and a second limiting member.

5. The pin terminal tape cutting mechanism according to claim 4, wherein The supporting plate is further provided with a third sliding channel and a third limiting member.

6. The pin terminal tape cutting mechanism according to claim 5, wherein The cutting knife comprises a detachably and fixedly connected mounting plate and a knife body. The mounting plate extends in Z direction and is matched and embedded on the third sliding channel, the upper end thereof is hingedly connected with the connecting rod, and the other end thereof is detachably and fixedly connected with the knife body.

7. The needle terminal tape cutting mechanism according to claim 6, wherein The cutter is formed with a blocking part and a cutting part arranged in steps along the X direction towards the end of the feeding line body, the blocking part can extend to directly above the end of the feeding line body on the side of the X direction, the cutting part can extend to directly above the junction of the material belt and the terminal, and the lower end of the cutting part is formed with a zigzag cutting groove; the slide plate is formed with a first avoiding groove for avoiding the blocking part.

8. The pin terminal tape cutting mechanism according to claim 7, wherein The supporting plate is formed with a top supporting part and a limiting part arranged in steps along the Y direction, the top supporting part is arranged directly below the cutting part, and the limiting part is arranged directly below the second limiting member; the slide plate is formed with a second avoiding groove for avoiding the top supporting part.

9. The pin terminal tape cutting mechanism according to claim 1, wherein The first driving device, the second driving device and the third driving device are all linear air cylinders.

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