阅读说明：本技术 锁舌加工机床 (Spring bolt machine tool ) 是由 张诗伊 于 2021-06-16 设计创作，主要内容包括：本发明公开了锁舌加工机床,包括：送料装置：用于输送坯料并固定坯料相对位置；加工刀具机构：包括切削刀具和钻头,所述切削刀具包括开槽刀、台阶斜面加工刀和台阶切断刀,所述开槽刀、台阶斜面加工刀和台阶切断刀位于坯料侧面,所述钻头正对坯料的端面。本发明的优点是：通过送料装置,输送和固定坯料的位置,方便加工刀具机构运行,利用开槽刀、台阶斜面加工刀和台阶切断刀同步对多个坯料进行不同位置加工,大大降低加工时间,提高加工效率。(The invention discloses a bolt processing machine tool, which comprises: a feeding device: the device is used for conveying blanks and fixing the relative positions of the blanks; processing cutter mechanism: the cutting tool comprises a slotting tool, a step slope processing tool and a step cutting-off tool, wherein the slotting tool, the step slope processing tool and the step cutting-off tool are located on the side face of a blank, and the drill bit is right opposite to the end face of the blank. The invention has the advantages that: through material feeding unit, carry and the position of fixed blank, make things convenient for processing cutter mechanism to move, utilize slotting tool, step inclined plane processing sword and step cut-off cutter to carry out different position processing to a plurality of blanks in step, greatly reduced process time improves machining efficiency.)

1. The lock tongue processing machine tool is cylindrical, a lock tongue comprises a front part (10) and a rear part (20), a groove (11), a hole (12) and a first step (13) are formed in the front part (10), the bottom surface of the first step (13) is perpendicular to the bottom surface of the groove (11), the hole (12) is formed in the end surface of the front part (10), a second step (21) is formed in one side of the rear part (20), an inclined surface (22) is arranged on the other side of the rear part (20), and the bottom surface of the second step (21) is parallel to the bottom surface of the groove (11); spring bolt machine tool is used for simultaneously processing five sections spring bolt blanks, and foremost be first blank, and the most terminal is fifth blank, its characterized in that: spring bolt machine tool includes:

a feeding device: the device is used for conveying blanks and fixing the relative positions of the blanks;

processing cutter mechanism: including cutting tool and drill bit (44), drill bit (44) is just to the terminal surface of blank, cutting tool includes slotting tool (41), step inclined plane processing sword (42) and step cut-off sword (43), slotting tool (41), step inclined plane processing sword (42) and step cut-off sword (43) all are located the blank side and process the blank in step, the slotting tool is used for processing groove (11) of fifth blank (35), step inclined plane processing sword (42) are used for processing first step (13) of fourth blank (34) and inclined plane (22) of third blank (33), step cut-off sword (43) are used for processing second step (21) of first blank (31) and cut off first blank (31) and second blank.

2. The machine of claim 1, wherein: processing cutter mechanism still includes transverse drive device (310) and longitudinal drive device (320), the distance of each sword and blank is controlled by transverse drive device (310) to slotting tool (41), step inclined plane processing sword (42) and step cut-off sword (43), install on transverse drive device (310) and drive slotting tool (41), step inclined plane processing sword (42) and step cut-off sword (43) pivoted driving motor, drill bit (44) are fixed on longitudinal drive device (320), by the distance of longitudinal drive device (320) control drill bit (44) and blank, also be equipped with the driving motor who drives drill bit (44) work on longitudinal drive device (320).

3. The machine of claim 1, wherein: the feeding device comprises

Rotary feeding mechanism (200): the device is used for conveying the blank with unit length and rotating the blank according to the processing procedure;

clamping mechanism (100): the blank conveyed by the rotary feeding mechanism (200) is clamped for convenient processing.

4. The machine of claim 3, wherein: the rotary feeding mechanism (200) comprises a first axial pushing mechanism (210), a sliding plate (220), a collet (230) and a rotary driving mechanism (240), wherein the first axial pushing mechanism (210) drives the sliding plate (220) to move, the collet (230) is rotationally arranged on the sliding plate (220), and the rotary driving mechanism (240) drives the collet (230) to rotate.

5. The machine of claim 4, wherein: the collet chuck (230) comprises an outer cylinder (231) and an inner core (232) penetrating through the outer cylinder (231), the rotary driving mechanism (240) is connected with the inner core (232), the outer cylinder (231) is rotatably arranged on the sliding plate (220), a second axial pushing mechanism is further fixed on the sliding plate (220), and the second axial pushing mechanism drives the inner core (232) to move axially relative to the outer cylinder (231) so as to control the inner core (232) to clamp or loosen the blank.

6. The machine of claim 5, wherein: the second axial pushing mechanism comprises a pushing cylinder (251), a connecting rod (252) and a moving ring (253), the moving ring (253) is fixed on the inner core (232), and the pushing cylinder (251) drives the moving ring (253) to move axially along the inner core (232) through the connecting rod (252).

7. The machine of claim 6, wherein: a first fixing plate (260) is fixed on the sliding plate (220), the outer cylinder (231) is rotatably connected to the first fixing plate (260), and the pushing cylinder (251) is also fixed on the first fixing plate (260).

8. The machine of claim 6, wherein: remove circle (253) and be hollow cylinder shape, remove circle (253) and inner core (232) through round pin axle (255) fixed connection, open along the periphery that removes circle (253) has annular (254), connecting rod (252) insert in annular (254).

9. The machine of claim 5, wherein: rotatory actuating mechanism (240) include step motor (241), hold-in range and synchronizing wheel (242), synchronizing wheel (242) are fixed on inner core (232), step motor (241) are passed through hold-in range drive synchronizing wheel (242) and are rotated.

10. The machine of claim 3, wherein: the clamping mechanism (100) comprises a left clamping block (110) and a right clamping block (120), clamping dies (130) are fixed on the left clamping block (110) and the right clamping block (120), and the left clamping block (110) and/or the right clamping block (120) are driven by a driving device to mutually approach or separate, so that the clamping dies (130) clamp or loosen a blank.

Technical Field

The invention relates to a bolt processing machine tool.

Background

The bolt is processed as shown in figures 1 and 2, the bolt is of a cylindrical structure and comprises a front part and a rear part, a groove, a hole and a first step are formed in the front part, the bottom surface of the first step is perpendicular to the bottom surface of the groove, the hole is formed in the end surface of the front part, a second step is formed in one side of the rear part, an inclined surface is arranged on the other side of the rear part, and the bottom surface of the second step is parallel to the bottom surface of the groove. The prior art adopts a manual one-by-one processing mode for processing the lock tongue, so that the efficiency is low and the production period is long.

Disclosure of Invention

The invention aims to provide a bolt processing machine tool which can effectively solve the problem of low processing efficiency of the existing bolt.

In order to solve the technical problems, the invention is realized by the following technical scheme: spring bolt machine tool, the spring bolt is cylindrical, including anterior and rear portion, open slot, hole and first step on the anterior, the bottom surface of first step is perpendicular with the bottom surface in groove, and the hole is opened on anterior terminal surface, open one side at rear portion has the second step, and the opposite side at rear portion is equipped with the inclined plane, and the bottom surface of second step is parallel with the bottom surface in groove, and spring bolt machine tool is used for simultaneously processing five sections spring bolt blanks, and foremost being first blank, the most terminal fifth blank that is, first blank processing is poroid, then carries out first blank processing second step in step and cuts off with the bar, third blank processing inclined plane, the first step of fourth blank processing, fifth blank processing go out the groove, and the spring bolt machine tool includes:

a feeding device: the device is used for conveying blanks and fixing the relative positions of the blanks;

processing cutter mechanism: including cutting tool and drill bit, the drill bit is just to the terminal surface of blank, cutting tool includes necking tool, step inclined plane processing sword and step cutting off cutter, necking tool, step inclined plane processing sword and step cutting off cutter all are located the blank side and process the blank in step, the necking tool is used for processing the groove of fifth blank, step inclined plane processing sword is used for processing the first step of fourth blank and the inclined plane of third blank, step cutting off cutter is used for processing the second step of first blank and cuts off first blank and second blank.

Preferably, processing cutter mechanism still includes transverse driving device and longitudinal drive device, slotting cutter, step inclined plane processing sword and step cutting off the sword are by the distance of each sword of transverse driving device control and blank, install on the transverse driving device and drive slotting cutter, step inclined plane processing sword and step cutting off sword pivoted driving motor, the drill bit is fixed on longitudinal drive device, by the distance of longitudinal drive device control drill bit and blank, also be equipped with the driving motor who drives the work of drill bit on the longitudinal drive device, drive slotting cutter, step inclined plane processing sword and step cutting off sword through transverse driving device and carry out the cutting in step and just do, longitudinal drive device then controls the drill bit and changes the hole.

Preferably, the feeding device comprises

Rotating the feeding mechanism: the device is used for conveying the blank with unit length and rotating the blank according to the processing procedure;

a clamping mechanism: the blank that will rotate feeding mechanism and carry presss from both sides tightly in order to facilitate processing, utilizes rotatory material feeding unit both can carry the blank of unit length, can also have the characteristics of spring bolt to rotate the blank, with the different cutting planes orientation cutter of a plurality of different spring bolts, and clamping mechanism then can fix the blank that needs the processing, ensures the machining precision.

Preferably, the rotary feeding mechanism comprises a first axial pushing mechanism, a sliding plate, a collet chuck and a rotary driving mechanism, the first axial pushing mechanism drives the sliding plate to move, the collet chuck is rotationally arranged on the sliding plate, the rotary driving mechanism drives the collet chuck to rotate, the sliding plate is driven to move through the first axial pushing mechanism, the conveying length of the blank in unit length is controlled, the blank can be clamped or loosened by the collet chuck, the position of the blank in unit length is fixedly sent out by matching with the clamping mechanism, and the rotary driving mechanism can control the rotating angle of the collet chuck, so that the blank can rotate to a proper angle to be accurately machined.

Preferably, the collet chuck comprises an outer cylinder and an inner core penetrating through the outer cylinder, the rotary driving mechanism is connected with the inner core, the outer cylinder is rotatably arranged on the sliding plate, a second axial pushing mechanism is further fixed on the sliding plate, the second axial pushing mechanism drives the inner core to move axially relative to the outer cylinder so as to control the inner core to clamp or loosen a blank, the second axial pushing mechanism is used for controlling the inner core to move axially relative to the outer cylinder so as to control the opening and closing of the front end of the inner core, the blank loosening operation is realized, and the control mode is relatively simple and reliable.

Preferably, the second axial pushing mechanism comprises a pushing cylinder, a connecting rod and a moving ring, the moving ring is fixed on the inner core, the pushing cylinder drives the moving ring to move axially along the inner core through the connecting rod, the pushing cylinder is used as a power source, the moving ring is driven through the connecting rod to enable the inner core to move axially, and power energy of the pushing cylinder is well transmitted to the inner core.

Preferably, a first fixing plate is fixed on the sliding plate, the outer cylinder is rotatably connected to the first fixing plate, the pushing cylinder is also fixed on the first fixing plate, the outer cylinder cannot move axially through the first fixing plate, and the relative position of the pushing cylinder can be fixed.

Preferably, it is hollow cylindrical to remove the circle, remove circle and inner core through round pin axle fixed connection, open along the periphery that removes the circle has the annular, in the connecting rod inserts the annular, because the inner core has rotatory function in addition, set up the annular on removing the circle, insert the annular with the connecting rod, can also guarantee under the rotatory circumstances of noninterference inner core that the connecting rod can promote the inner core and follow axial displacement.

Preferably, the rotary driving mechanism comprises a stepping motor, a synchronous belt and a synchronous wheel, the synchronous wheel is fixed on the inner core, the stepping motor drives the synchronous wheel to rotate through the synchronous belt, the synchronous belt is used for driving the inner core to rotate, and the accuracy of the rotation angle of the inner core can be ensured.

Preferably, the clamping mechanism comprises a left clamping block and a right clamping block, clamping dies are fixed on the left clamping block and the right clamping block, the left clamping block and/or the right clamping block are driven by a driving device to be mutually closed or separated, the clamping dies clamp or loosen a blank, the position of the blank which can be stably fixed by a clamping grinding tool fixed on the clamping dies is driven by the relative conveying of the two clamping blocks, the blank cannot shake when the cutter cuts, and the processing precision is improved.

Compared with the prior art, the invention has the advantages that: through material feeding unit, carry and the position of fixed blank, make things convenient for processing cutter mechanism to move, utilize the slotting cutter to carry out the fluting to the spring bolt, and step and inclined plane processing sword simultaneous processing spring bolt step and inclined plane, step cut-off cutter to another step processing and the spring bolt and the blank separation that process, three synchronous different position processing of carrying out to a plurality of blanks of sword, greatly reduced process time improves machining efficiency.

Drawings

Fig. 1 is a schematic structural view of a single bolt;

fig. 2 is a perspective view of a single tongue at another angle;

FIG. 3 is a cross-sectional view of a feeder assembly in the deadbolt machining tool of the present invention;

fig. 4 is a perspective view of the feeding device of the machine tool for processing locking bolts of the present invention without a first fixing plate and a second fixing plate;

fig. 5 is a perspective view of a feeding device in the deadbolt machining tool of the present invention;

FIG. 6 is a perspective view of the moving collar of the present invention;

fig. 7 is a perspective view of the deadbolt machining tool of the present invention;

fig. 8 is a schematic view of a deadbolt machining tool incorporating the present invention.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.

In the description of the present invention, 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", etc. indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be considered as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

As shown in fig. 1 and 2, the bolt is cylindrical and comprises a front part 10 and a rear part 20, the front part 10 is provided with a groove 11, a hole 12 and a first step 13, the bottom surface of the first step 13 is perpendicular to the bottom surface of the groove 11, the hole 12 is formed in the end surface of the front part 10, one side of the rear part 20 is provided with a second step 21, the other side of the rear part 20 is provided with a slope 22, and the bottom surface of the second step 21 is parallel to the bottom surface of the groove 11.

Referring to fig. 3 to 7, a machine for processing a latch bolt according to an embodiment of the present invention includes:

a feeding device: the device is used for conveying blanks and fixing the relative positions of the blanks;

processing cutter mechanism: the cutting tool comprises a slotting cutter 41, a step inclined plane processing cutter 42 and a step cutting-off cutter 43, wherein the slotting cutter 41, the step inclined plane processing cutter 42 and the step cutting-off cutter 43 are positioned on the side surface of a blank, and the drill 44 is opposite to the end surface of the blank. The grooving cutter 41, the step slope processing cutter 42 and the step cutting-off cutter 43 are used for synchronously processing the grooves 11, the first steps 13, the second steps 21 and the slopes 22 of different blanks and cutting off the processed blanks, so that the processing efficiency is greatly improved.

The processing cutter mechanism further comprises a transverse driving device 310 and a longitudinal driving device, the distances between the slotting cutter 41, the step slope processing cutter 42 and the step cutting-off cutter 43 and the blank are controlled by the transverse driving device 310, the distances between the cutters and the blank can be adjusted according to the cutting depths of different positions in advance, a driving motor, generally a stepping motor, is mounted on the transverse driving device 310, the slotting cutter 41, the step slope processing cutter 42 and the step cutting-off cutter 43 are all arranged on a push plate, the push plate is pushed by the stepping motor to enable the three cutters to synchronously perform cutting operation, a driving motor for driving the three cutters to rotate is also mounted on the push plate, and if the cutting speeds of the cutters are different, driving motors with different rotating speeds are required to be configured for the different cutters. The drill 44 is fixed on a longitudinal driving device, the structure of the longitudinal driving device can be the same as that of the transverse driving device 310, the longitudinal driving device controls the distance between the drill 44 and the blank, and the longitudinal driving device is also provided with a driving motor for driving the drill 44 to work.

The feeding device comprises a rotary feeding mechanism 200 and a clamping mechanism 100, wherein the rotary feeding mechanism 200 and the clamping mechanism 100 are both fixed on a rack, the clamping mechanism 100 is positioned at the downstream of the rotary feeding mechanism 200 according to the blank conveying direction, the rotary feeding mechanism 200 is mainly used for conveying blanks in unit length in times and rotating the blanks according to machining procedures, and the clamping mechanism 100 is mainly used for clamping the blanks conveyed by the rotary feeding mechanism 200 so as to facilitate the cutting machining of a cutter.

The rotary feeding mechanism 200 comprises a first axial pushing mechanism 210, a sliding plate 220, a collet 230 and a rotary driving mechanism 240, the first axial pushing mechanism 210 is a driving mechanism such as an air cylinder, a hydraulic cylinder, a stepping motor 241 or a gear rack, the first axial pushing mechanism 210 is fixed on a frame, a slide rail 221 is also fixed on the frame, the sliding plate 220 is slidably arranged on the slide rail 221, the sliding plate 220 is driven by the first axial pushing mechanism 210 to move on the slide rail 221, the moving direction is the feeding direction of blanks, the collet 230 comprises an outer cylinder 231 and an inner core 232 penetrating through the outer cylinder 231, the outer cylinder 231 and the inner core 232 are both hollow cylinders, the blanks penetrate through the inner core 232, a vertically fixed first fixing plate 260 is arranged on the sliding plate 220, the outer cylinder 231 is rotatably connected to the first fixing plate 260, the first fixing plate 260 allows the outer cylinder 231 to rotate along the axial direction thereof, but needs to limit the axial movement of the outer cylinder 231 along the axial direction thereof, the inner core 232 can move along the axial direction of the outer cylinder 231, when the inner core 232 moves along the axial direction of the outer cylinder 231 towards the clamping mechanism 100, the front end of the inner core 232 close to the clamping mechanism 100 extends out of the outer cylinder 231, the front end of the inner core 232 is provided with elastic claws, and after the front end of the inner core 232 extends out of the outer cylinder 231, the claws are opened, so that the blank is loosened; when the front end of the inner core 232 is retracted into the outer cylinder 231 and restrained by the outer cylinder 231, the jaws will close to clamp the blank.

The tail end of the claw also extends out of the outer cylinder 231, a moving ring 253 is sleeved at the tail end of the claw, the tail portions of the moving ring 253 and the inner core 232 are fixedly connected through a pin shaft 255, a ring groove 254 is formed in the periphery of the moving ring 253, a pushing cylinder 251 is further fixed on the first fixing plate 260, the pushing cylinder 251 can also be a pushing mechanism such as a hydraulic cylinder or an electric push rod, a connecting rod 252 is connected to a piston of the pushing cylinder 251, the end portion of the connecting rod 252 is inserted into the ring groove 254, the inner core 232 is driven to move axially along the outer cylinder 231 through the pushing cylinder 251, and the bar loosening operation is achieved.

In addition, the tail end of the inner core 232 is further provided with a second fixing plate 270, the second fixing plate 270 can slide relative to the sliding plate 220, a stepping motor 241 is fixed on the second fixing plate 270, a synchronizing wheel 242 is fixed at the tail end of the inner core 232, a synchronous belt is wound between the stepping motor 241 and the synchronizing wheel 242, the inner core 232 is driven to rotate through the stepping motor 241, and therefore blanks are controlled to rotate by a certain angle to meet machining requirements.

The clamping mechanism 100 comprises a left clamping block 110 and a right clamping block 120, clamping dies 130 are fixed on the left clamping block 110 and the right clamping block 120, the clamping dies 130 are used for clamping blanks when being closed, so that a cutter can be accurately machined, the left clamping block 110 and the right clamping block 120 are driven to be closed or separated by a driving device, the driving device can control the left clamping block 110 and the right clamping block 120 to move, and can only control the left clamping block 110 or the right clamping block 120 to move, so that the left clamping block 110 and the right clamping block 120 are closed or separated.

As shown in fig. 8, the processing steps are:

s1, extending a circular bar by a first blank 31 per unit length, in which step: the first blank 31 is provided with a groove 11;

s2, the billet is rotated 90 degrees along its axis and extended a further unit length forward, this extended unit length of billet being the second blank 32, in which step: the first blank 31 is processed into a first step 13, and the second blank 32 is processed into a groove 11;

s3, the bar rotates 90 degrees along its axis and projects a further unit length forward, this unit length of bar projecting being the third blank 33, in which step: a first blank 31 is provided with a bevel 22, a second blank 32 is provided with a first step 13, and a third blank 33 is provided with a groove 11;

s4, the bar is rotated 90 degrees along its axis and extended a further unit length forward, this extended unit length of bar being the fourth blank 34, in which step: the first blank 31 is unchanged, the second blank 32 is provided with the inclined surface 22, the third blank 33 is provided with the first step 13, and the fourth blank 34 is provided with the groove 11;

s5, the bar is rotated 90 degrees along its axis and extended a further unit length forward, this extended unit length of bar being the fifth blank 35, in which step: a hole 12 is machined in a first blank 31, then or simultaneously a second step 21 is machined and cut off from a bar, the second blank 32 is unchanged, a slope 22 is machined in a third blank 33, a first step 13 is machined in a fourth blank 34, and a groove 11 is machined in a fifth blank 35;

s6, processing according to the step S5 in a circulating mode.

In the above steps, the stretching and rotating of the bar are performed in the following manner, the bar is inserted from the tail end of the inner core 232 and passes through the front end of the inner core 232, the first axial pushing mechanism 210 drives the sliding plate 220 to move towards the clamping mechanism 100 by the length of one processing unit blank, the left clamping block 110 and the right clamping block 120 of the clamping mechanism 100 are closed, the fed blank is clamped, the pushing cylinder 251 is started to drive the connecting rod and the moving ring 253, the inner core 232 moves relative to the outer cylinder 231, the front end of the inner core 232 extends out of the outer cylinder 231, the inner core 232 releases the blank, the first axial pushing mechanism 210 pushes the sliding plate 220 to return, the pushing cylinder 251 drives the inner core 232 to move, the front end of the inner core 232 is retracted into the outer cylinder 231, and the inner core 232 clamps the blank. After processing, the clamping mechanism 100 loosens the blank, the first axial pushing mechanism 210 drives the sliding plate 220 to move towards the clamping mechanism 100 by the length of the blank to be processed, the stepping motor 241 is started to drive the inner core 232 to rotate by 90 degrees, at the moment, the outer cylinder 231 rotates by 90 degrees along with the inner core 232, then the left clamping block 110 and the right clamping block 120 of the clamping mechanism 100 are closed, the inner core 232 loosens the blank, the sliding plate 220 returns, the inner core 232 clamps the blank, the second process processing is started, and the operation is repeated in this way, so that feeding and rotating of the blank are realized.

In the above steps, the slotting tool is responsible for processing the slot 11, the step slope processing tool is responsible for processing the first step 13 and the slope 22, and the step cutting tool is responsible for processing the second step 21 and cutting off the processed lock tongue.

The first axial pushing mechanism 210 feeds and feeds the blank, the collet 230 can be used for conveniently clamping the blank to be fed, the rotation driving mechanism 240 drives the collet 230 to rotate so as to control the rotation angle of the blank, and the blank at the position to be processed is fixed by the clamping mechanism 100 to be accurately processed after the feeding and the rotation are in place. The device can realize synchronous feeding and rotation, effectively improves the processing efficiency and can meet the requirements of processing technology.

The above description is only an embodiment of the present invention, but the technical features of the present invention are not limited thereto, and any changes or modifications within the technical field of the present invention by those skilled in the art are covered by the claims of the present invention.