Die machining lathe tool bit convenient to replace

Abstract

A die machining lathe tool bit convenient to replace comprises a mounting base and a tool bit body, a connecting groove connected with the tool bit body is formed in the front side of the mounting base, a positioning box communicated with the connecting groove is arranged outside the front side of the mounting base, and an arc-shaped movable cavity is formed in the connecting position of the positioning box and the connecting groove; two connecting rods are connected into the positioning box in a sliding mode, an arc-shaped positioning plate matched with the movable cavity is fixedly arranged at the bottom ends of the two connecting rods, two positioning insertion rods are symmetrically arranged on the bottom face of the arc-shaped positioning plate, and the top ends of the two connecting rods penetrate through the top of the positioning box in a sliding mode; the ends, located in the positioning box, of the two connecting rods are provided with limiting rings abutting against the inner bottom of the positioning box, the upper portions of the limiting rings are sleeved with springs, the rear end of the tool bit is provided with a connecting base inserted into the connecting groove, and a positioning groove matched with the arc-shaped positioning plate is formed in the connecting base. And insertion holes matched with the positioning insertion rods are formed in the positioning grooves. The utility model has the advantage that the tool bit is convenient to replace.

Description

TECHNICAL FIELD

[0001] The utility model relates to mould processing technical field, especially a mould processing lathe tool bit convenient to replace. BACKGROUND

[0002] Mould processing refers to the processing of forming and blanking tool, in addition, it also includes shearing die and die cutting die. Usually, the mould has two parts of upper die and lower die. The steel plate is placed between the upper die and the lower die, and the material is formed under the action of the press. When the press is opened, the workpiece determined by the shape of the mould or the corresponding waste material is obtained. The mould processing technology includes cutting die, blanking die, composite die, extrusion die, four slide die, progressive die, stamping die, die cutting die and the like. Among them, punching is also a process in mould processing. At present, the existing punching device for mould processing has complex structure and is not easy to replace tool bit, which increases the burden of people.

[0003] Patent network discloses a punching device for mould processing convenient to replace tool bit (announcement number: CN212495501U), relates to mechanical processing technical field. The utility model discloses a workbench and support plate, the upper end fixed support of workbench, and the middle part lower end fixed protection mechanism of support, the output of servo motor fixed on the support plate is connected with T type pivot fixedly, and the lower end of the fixed plate abutting the lower end of T type pivot is fixedly connected with tool bit main part, the lower end of T type pivot is provided with a clamping groove, and T type pivot is connected with the clamping block fixed on the upper end of fixed plate through the clamping groove, and the second bolt fixed on the fixed plate is installed with nut. The cooperation of second bolt and nut can conveniently disassemble tool bit main part, then the cooperation of clamping block and clamping groove can conveniently and quickly install tool bit main part, finally the elasticity of spring can reduce the pressure of baffle to servo motor, and the device is simple in structure, wear -resisting, easy to replace tool bit, easy to operate and easy to popularize.

[0004] The above technology is convenient to disassemble tool bit main part through the cooperation of second bolt and nut, but a wrench or other tool is needed to disassemble every time, so there is room for improvement. UTILITY MODEL CONTENTS

[0005] The utility model provides a mould processing lathe tool bit convenient to replace to solve the problem in the background art.

[0006] In order to solve the above problems, the utility provides a kind of convenient replacement mould processing lathe tool, including mounting seat, tool bit, the front side of mounting seat is equipped with the connecting groove of connecting tool bit, the front side outside of mounting seat is equipped with a with the positioning box of connecting groove intercommunication, and the connecting place of positioning box and connecting groove is equipped with an arc movable cavity, the positioning box is slidably connected with two connecting rods, and the lower end of connecting rod is slidably penetrated into the connecting groove in positioning box, the bottom of the two connecting rods is fixed with an arc-shaped locating plate matched with movable cavity, and the bottom of arc-shaped locating plate is symmetrically equipped with two locating pins, the top of the two connecting rods is slidably penetrated into the top of positioning box, and between fixed connection has pull plate, the end of the two connecting rods in positioning box is equipped with a limit ring that is in abutment with the bottom of positioning box, and the upper end of connecting rod in limit ring is equipped with spring, the rear end of tool bit is equipped with the connecting seat inserted into connecting groove, the connecting seat is equipped with the locating slot matched with arc-shaped locating plate, and the locating slot is symmetrically equipped with two insertion holes matched with locating pin.

[0007] Preferably: the rear end of mounting seat is fixed with a connecting sleeve connected with motor power output shaft, and the connecting sleeve is connected with motor power output shaft by positioning bolt.

[0008] Preferably: when the spring in connecting rod in positioning box is in compression state, arc-shaped locating plate and two locating pins are located in movable cavity.

[0009] Preferably: a hexagonal locating hole is arranged in connecting groove in mounting seat, and the rear end of connecting seat of tool bit is equipped with locating seat inserted into locating hole.

[0010] Preferably: an arc-shaped limiting strip is fixed on the side surface of connecting groove in mounting seat opposite movable cavity, and locating groove is arranged in connecting seat of tool bit to slidably connect arc-shaped limiting strip.

[0011] The beneficial effects of the above technical scheme are:

[0012] 1, through the connecting sleeve in mounting seat cooperation bolt, the whole tool bit equipment can be conveniently assembled and disassembled with the power output shaft of motor, so as to facilitate the maintenance and replacement of the whole tool bit equipment.

[0013] 2, through the hexagonal locating hole in connecting groove of mounting seat cooperation tool bit connecting seat rear end locating seat, it can be guaranteed that tool bit is not easy to shake after being inserted into mounting seat, and the stability of tool bit during work is guaranteed.

[0014] 3, through the positioning slot and the jack of the connecting seat outside cooperation positioning plug rod and arc positioning plate, can be connected to the connecting seat of the cutter head through the connecting seat stably in the mounting seat, through the positioning box, movable cavity cooperation connecting rod and spring, make the arc positioning plate and positioning plug rod can move in the movable cavity, convenient for the connecting seat of the cutter head positioning, thus without using tools can complete the installation and removal, improve the installation and removal effect, make the cutter head convenient to replace. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a three-dimensional structure schematic view of the utility model.

[0016] Figure 2 It is a sectional view of the mounting seat of the utility model.

[0017] Figure 3 It is a three-dimensional structure schematic view of the cutter head of the utility model.

[0018] Figure 4 It is a three-dimensional structure schematic view of the utility model from another side view.

[0019] Wherein: 1-mounting seat;11-connecting sleeve;12-bolt;2-mounting seat;3-connecting groove;31-movable cavity;32-positioning hole;33-limiting strip;4-positioning box;41-connecting rod;42-arc positioning plate;43-positioning plug rod;44-pull plate;45-limiting ring;46-spring;5-connecting seat;51-jack;52-positioning slot;53-positioning seat;54-limiting slot. DETAILED DESCRIPTION

[0020] The embodiment of the utility model will be described in detail below in combination with the drawings.

[0021] In the description of the utility model, unless otherwise specified, the meaning of "multiple" is two or more than two;The orientation or position relationship indicated by the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail" and the like is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, therefore it cannot be understood as a limitation on the utility model. In addition, the terms "first", "second", "third" and the like are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0022] In the description of the utility model, need explanation is, unless another explicit provision and limitation, term "link", "connection" should do broad sense understanding, for example, can be fixed connection, also can be detachable connection, movable connection or integrally connected;Can be mechanical connection, also can be electrical connection;Can be directly connected, also can be indirectly connected through intermediate medium.

[0023] As Figures 1-4 In the embodiment, a replaceable mold processing lathe tool bit comprises a mounting seat 1 and a tool bit 2, the front side of the mounting seat 1 is provided with a connecting groove 3 connected with the tool bit 2, the front side of the mounting seat 1 is externally provided with a positioning box 4 communicated with the connecting groove 3, an arc-shaped movable cavity 31 is arranged at the connecting position of the positioning box 4 and the connecting groove 3, two connecting rods 46 are slidingly connected in the positioning box 4, the lower end of the connecting rod 46 slidingly penetrates the positioning box 4 and is located in the connecting groove 3, an arc-shaped positioning plate 42 matched with the movable cavity 31 is fixedly arranged at the bottom end of the two connecting rods 41, two positioning inserting rods 43 are symmetrically arranged in the middle part of the bottom surface of the arc-shaped positioning plate 42, the top end of the two connecting rods 41 slidingly penetrates the top of the positioning box 4, and a pull plate 44 is fixedly connected between the two connecting rods 41, a limiting ring 45 abutting against the inner bottom of the positioning box 4 is arranged at the end of the two connecting rods 41 located in the positioning box 4, a spring 46 is sleeved on the upper end of the connecting rod 41 located in the limiting ring 45, the rear end of the tool bit 2 is provided with a connecting seat 5 inserted into the connecting groove 3, the connecting seat 5 is provided with a positioning groove 51 matched with the arc-shaped positioning plate 42, and two inserting holes 52 matched with the positioning inserting rods 43 are symmetrically arranged in the positioning groove 51.

[0024] By the above technical scheme, when in use, the connecting rods 41 are pulled to move upward in the positioning box 4, the limiting ring 45 cooperates with the top wall in the positioning box 4 to compress the spring 46, at this time, the connecting seat 5 of the tool bit 2 is inserted into the connecting groove 3 in the mounting seat 1, after the insertion is completed, the pull plate 44 is loosened, the connecting rods 41 are moved back under the rebound of the spring 46 through the limiting ring 45, at this time, the arc-shaped positioning plate 42 is embedded in the positioning groove 51 in the connecting seat 5 of the tool bit 2, and the positioning plug rod 43 is inserted into the insertion hole 52 in the positioning groove 51, so that the tool bit 2 is stably fixed in the mounting seat 1, and the stability of work is ensured, when the tool bit 2 needs to be replaced, the pull plate 44 is pulled to move back the two connecting rods 41, so that the positioning plug rod 43 and the arc-shaped positioning plate 42 are separated from the positioning groove 51 and the insertion hole 52 in the connecting seat 5 of the tool bit 2, the limitation on the connecting seat 5 is released, at this time, the connecting seat 5 of the tool bit 2 can be pulled out of the connecting groove 3 in the mounting seat 1, and the tool bit 2 to be replaced is inserted into the mounting seat 1, the pull plate 44 is loosened to make the positioning plug rod 43 and the arc-shaped positioning plate 42 be inserted into the insertion hole 52 and the positioning groove 51 respectively, and the replacement of the tool bit 2 is completed, the replacement of the tool bit 2 is completed without the use of tools, and the replacement of the tool bit is more convenient.

[0025] Preferably, the rear end of the mounting seat 1 is fixed with a connecting sleeve 11 connected with the motor power output shaft, and the connecting sleeve 11 is connected with the motor power output shaft through a positioning bolt 12.

[0026] Through the above technical scheme, the connecting sleeve 11 cooperates with the bolt 12 to facilitate the mounting and dismounting of the mounting seat 1 and the motor power output shaft, improve the convenience of mounting and dismounting, and ensure the stability after mounting.

[0027] Preferably, when the spring 46 in the connecting rod 41 in the positioning box 4 is in a compressed state, the arc-shaped positioning plate 42 and the two positioning plug rods 41 are located in the movable cavity 31.

[0028] Through the above technical scheme, after the spring 46 is compressed, the arc-shaped positioning plate 42 and the positioning plug rod 43 are located in the movable cavity 31, so that they do not affect the mounting and dismounting of the connecting seat 5 in the tool bit 2 in the connecting groove 3 in the mounting seat 1, and the stability of mounting and dismounting can be ensured.

[0029] Preferably, a hexagonal positioning hole 32 is arranged in the connecting groove 3 in the mounting seat 1, and a positioning seat 53 is arranged at the rear end of the connecting seat 5 of the tool bit 2 and inserted into the positioning hole 32.

[0030] Through the above technical scheme, the positioning seat 53 at the rear end of the connecting seat 5 of the tool bit 2 is inserted into the hexagonal positioning hole 32, which can further improve the stability of the tool bit 2 after being inserted into the mounting seat 1, and the stability of the tool bit 2 during rotation and hole cutting is ensured.

[0031] Preferably, an arc-shaped limiting strip 33 is fixed on the side of the connecting groove 3 of the mounting base 1, which is opposite to the movable cavity 31, and a limiting groove 54 is formed in the connecting base 5 of the cutter head 2, which is used to slide and connect the arc-shaped limiting strip 33.

[0032] Through the above technical scheme, the arc-shaped limiting strip 33 in the connecting groove 3 of the mounting base 1 is matched with the limiting groove 54 in the connecting base 5 of the cutter head 2, so that the cutter head 2 can be limited and guided when being inserted, and the installation and positioning are facilitated, and the stability after being connected is further improved.

[0033] Finally, it should be noted that the above implementation cases are only used to illustrate the present application, and are not limited to the technical solutions described in the present application. Therefore, although the present application has been described in detail with reference to the above embodiments, those skilled in the art should understand that the present application can still be modified or replaced, and all technical solutions and improvements that do not deviate from the spirit and scope of the present application should be covered in the scope of the claims of the present application. The technical solutions not described in detail in the present application are realized by the existing technology.

Claims

1. A replaceable cutting tool for mold processing lathe, comprising a mounting base and a cutting tool, characterized in that: The front side of the mounting base is provided with a connecting groove for connecting the cutting head. The front exterior of the mounting base is provided with a positioning box communicating with the connecting groove, and the connection between the positioning box and the connecting groove is provided with an arc-shaped movable cavity. Two connecting rods are slidably connected in the positioning box, and the lower ends of the connecting rods slide through the positioning box and are located in the connecting groove. An arc-shaped positioning plate matching the movable cavity is fixedly provided at the bottom end of the two connecting rods, and two positioning inserts are symmetrically provided in the middle of the bottom surface of the arc-shaped positioning plate. The top ends of the two connecting rods slide through the top of the positioning box and are fixedly connected with a pull plate. The ends of the two connecting rods located in the positioning box are provided with a limiting ring that abuts against the bottom of the positioning box, and a spring is sleeved on the upper end of the connecting rod located in the limiting ring. The rear end of the cutting head is provided with a connecting seat that is inserted into the connecting groove. The connecting seat has a positioning groove matching the arc-shaped positioning plate, and two matching positioning inserts are symmetrically provided in the positioning groove.

2. The easily replaceable mold processing lathe cutter head according to claim 1, characterized in that: The rear end of the mounting base is fixedly provided with a connecting sleeve that is connected to the motor power output shaft, and the connecting sleeve is connected to the motor power output shaft by a positioning bolt.

3. The easily replaceable mold processing lathe cutter head according to claim 1, characterized in that: When the spring in the connecting rod inside the positioning box is in a compressed state, the arc-shaped positioning plate and the two positioning rods are located inside the movable cavity.

4. The easily replaceable mold processing lathe cutter head according to claim 1, characterized in that: The mounting base has a hexagonal positioning hole in the connecting groove, and the rear end of the cutter head's connecting base has a positioning seat that is inserted into the positioning hole.

5. The easily replaceable mold processing lathe cutter head according to claim 1, characterized in that: An arc-shaped limiting strip is fixedly provided on one side of the mounting base facing the movable cavity in the connecting groove, and a limiting groove for sliding connection of the arc-shaped limiting strip is provided in the connecting base of the cutter head.

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