CN215699460U - Automatic needle mounting equipment for compasses - Google Patents

Abstract

The utility model discloses automatic needle mounting equipment for compasses, which comprises a rod body conveying unit, wherein the rod body conveying unit is used for realizing rod body transfer among stations in the automatic needle mounting process of the compasses, and the stations are linearly arranged; the rod body conveying unit comprises a double-chain type conveying belt, the conveying direction of the double-chain type conveying belt is consistent with the arrangement direction of each station, each chain of the double-chain type conveying belt is symmetrically arrayed to form a bearing sheet, and a bearing groove corresponding to the rod body is formed in each bearing sheet; and the tail end chain wheel of the double-chain type conveying belt is drawn by an intermittent tractor. The utility model aims at the compasses structure, all stations are sequentially and linearly arranged, the rod body conveying unit is designed in a targeted manner, the rod body is moved to all the stations through a simple structure, the principle is simple and reliable, and the structure is compact.

Description

Automatic needle mounting equipment for compasses

Technical Field

The utility model relates to the field of compasses production equipment, in particular to automatic compasses needle assembling equipment.

Background

Compasses are used for drawing circles or strings in mathematics and drawing, and are commonly used for drawing rulers and compasses. The compasses include the body of rod, needle body and nib, and the body of rod has two, and the tip of two bodies of rod is articulated to be the V style of calligraphy, the needle body is inserted and is established the lower extreme at one side body of rod, and the lower extreme of the opposite side body of rod is connected to the nib.

In the prior art, the compasses are mainly formed by inserting the needle body into the rod body in a manual mode, time and labor are wasted, the efficiency is lower, and the assembly quality cannot be guaranteed.

And to realize automatic dress needle, how to design a set of device, can carry the body of rod automatically, move the body of rod and carry out corresponding process to each station, be the first-line problem that needs to solve.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide automatic needle mounting equipment for compasses.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the automatic needle mounting equipment for the compasses comprises a rod body conveying unit, wherein the rod body conveying unit is used for realizing rod body transfer among stations in the automatic needle mounting process of the compasses, and the stations are linearly arranged; the rod body conveying unit comprises a double-chain type conveying belt, the conveying direction of the double-chain type conveying belt is consistent with the arrangement direction of each station, each chain of the double-chain type conveying belt is symmetrically arrayed to form a bearing sheet, and a bearing groove corresponding to the rod body is formed in each bearing sheet; and the tail end chain wheel of the double-chain type conveying belt is drawn by an intermittent tractor.

Preferably, the intermittent tractor comprises a traction wheel, a driven wheel and a power source, wherein the axis of the traction wheel is perpendicular to the axis of the tail end chain wheel, the traction wheel is provided with a section of annular straight groove along the circumferential surface of the traction wheel, and a spiral leading-in groove and a spiral leading-out groove which are respectively guided to the two side surfaces of the traction wheel by the starting point and the end point of the annular straight groove; the driven wheels are arranged on the end face of the tail end chain wheel in a circumferential array mode, the wheel diameter of each driven wheel is matched with the width of each groove in the traction wheel, and when one driven wheel leaves the spiral leading-out groove along the rotation direction of the tail end chain wheel, the next driven wheel enters the spiral leading-in groove.

Preferably, the rod body conveying unit further comprises a clamping device and a thrust plate, wherein the clamping device comprises an upper pressure plate, a lower jacking block and a lifting executive part; the upper pressing plate is fixedly arranged above the double-chain type conveying belt, the lower ejection block is arranged on the lifting execution part, and the lower ejection block is driven by the lifting execution part to ascend so as to clamp the rod body between the upper pressing plate and the lower ejection block; the thrust plate is arranged on the other side of the double-chain type conveying belt relative to each station and used for being abutted to the tail of the rod body.

Preferably, the station comprises a hole grinding station, a hole grinding unit is arranged on the hole grinding station, and the hole grinding unit comprises a sliding table sliding rail set, a hole grinding motor, a grinding tip and a linear reciprocating mechanism; the sliding table sliding rail set is arranged in the direction of the transfer direction; the hole grinding motor is arranged on the sliding table, and the shaft end of the hole grinding motor points to the transfer unit; the grinding tip is arranged at the shaft end of the hole grinding motor, and the conical tip of the grinding tip is matched with the pin inserting hole of the rod body; the linear reciprocating mechanism pushes and pulls the hole grinding motor to make the hole grinding motor reciprocate linearly.

Preferably, the stations comprise pin inserting stations, the pin inserting stations are provided with material stirring units and pin inserting units, and the material stirring units are provided with vertically downward pin outlet holes; the pin inserting unit comprises a first base, a sliding block, a pin connecting rod and a linear reciprocating mechanism, wherein the first base is provided with a sliding cavity, and the sliding block is arranged in the sliding cavity in a sliding manner; the middle part of the needle connecting rod is hinged at the front end of the sliding block, and the upper part of the needle connecting rod is provided with a needle connecting hole; when the linear reciprocating mechanism pulls the slide block backwards, the cavity cover of the slide cavity blocks the needle receiving rod to erect so that the needle receiving hole is opposite to the lower end of the needle outlet hole of the material stirring unit for receiving a needle; the first base is provided with a front stop block, and when the linear reciprocating mechanism pushes the sliding block to move forwards, the front stop block acts on the lower part of the needle receiving rod to enable the needle receiving rod to turn forwards to insert a needle.

Preferably, the material shifting unit comprises a second base, an upper sliding block, a lower sliding block, an elastic element, a shifting fork and a shifting rod; the second base is internally provided with the needle outlet hole, an upper sliding chute and a lower sliding chute which are communicated with the needle outlet hole, and the upper sliding block and the lower sliding block are respectively installed in the upper sliding chute and the lower sliding chute in a sliding manner; the elastic element acts on the tail part of the lower sliding block to ensure that the lower sliding block keeps the tendency of blocking the pin outlet; the shifting fork is hinged on the second base, the upper end of the shifting fork is used for pushing and pulling the upper sliding block, the lower end of the shifting fork is used for pushing and pulling the lower sliding block, and the lower end of the shifting fork also forms a contact handle; the driving lever is installed on the sliding block, and when the sliding block returns, the driving lever acts on the touch handle.

Preferably, the material stirring unit further comprises a barrier strip, the barrier strip is located on the front side of the needle outlet hole, the upper end of the barrier strip is hinged to the second base, the lower end of the barrier strip naturally drops and can be stirred forwards, and the height of the end face of the lower end of the barrier strip is between the height of the needle receiving rod without the needle receiving rod and the height of the needle receiving rod.

Preferably, the needle-inserting device further comprises a vibrating disk, wherein the vibrating disk comprises a spiral track and a needle outlet pipe arranged at the tail end of the spiral track; the spiral track is provided with at least one notch along the conveying direction, the width B of the notch accords with L1 < B < L2, wherein L1 is the distance from the needle tail to the gravity center of the needle body, and L2 is the distance from the needle tip to the gravity center of the needle body; the needle outlet pipe is connected with the material stirring unit.

Preferably, the spiral track is provided with an anti-overlapping block at a position corresponding to the notch, and a channel allowing only a single-layer needle body to pass through is formed between the anti-overlapping block and the spiral track.

Preferably, the needle pressing unit comprises a sliding seat, a sliding rod, a top sleeve and the linear reciprocating mechanism; the sliding seat is arranged in a direction pointing to the shifting direction, and the sliding rod is inserted into the sliding seat in a sliding manner; the thimble is installed the front end of slide bar, the center of thimble is equipped with the thimble hole, the hole depth of thimble hole is less than the needle body bare in the external length of pole.

After adopting the technical scheme, compared with the background technology, the utility model has the following advantages:

1. aiming at the compasses structure, all stations are sequentially and linearly arranged, the rod body conveying unit is designed in a targeted manner, the rod body is moved to all the stations through a simple structure, the principle is simple and reliable, and the structure is compact;

2. the hole grinding unit is arranged, so that the pin inserting hole can be chamfered, and the subsequent pin body can be conveniently inserted;

4. the utility model is provided with the needle pressing unit which can tightly press the needle body inserted into the rod body to enable the needle body to be tightly matched and prevent the needle body from falling;

5. the pin inserting unit automatically takes the pins from the material poking unit and then inserts and conveys the pins forwards, so that the taken pins can be inserted and arranged on all the rod bodies only by realizing the array type conveying of the rod bodies, the assembly of the compass pin body is completed, the structure is simple and easy to implement, and the assembly efficiency is high;

6. the utility model is provided with the material shifting unit which is linked with the needle inserting unit, so that the needle bodies can be orderly inserted into the needle receiving tube, and the synchronous needle feeding of the needle inserting unit is realized;

7. the utility model is provided with the vibrating disk, and the size of the notch of the spiral track of the vibrating disk is designed, so that the reverse needle bodies automatically fall from the notch when passing through, and the forward sorting output of the needle bodies is realized.

Drawings

FIG. 1 is a schematic view of the entire device of the present invention;

FIG. 2 is a schematic view of a rod conveying unit according to the present invention;

FIG. 3 is a schematic view of a hole milling unit according to the present invention;

FIG. 4 is a schematic view of a vibratory pan of the present invention;

FIG. 5 is a schematic diagram showing the forward and backward feeding of the needle body of the present invention;

FIG. 6 is a schematic diagram of a pin inserting unit and a material pulling unit according to the present invention;

FIG. 7 is a schematic diagram of a pin inserting unit and a material pulling unit according to the present invention;

FIG. 8 is another schematic diagram of a pin inserting unit and a material pulling unit according to the present invention;

FIG. 9 is a disassembled view of the pin inserting unit and the material pulling unit according to the present invention;

FIG. 10 is a schematic view of the needle depressing unit according to the present invention.

Description of reference numerals:

the device comprises a rod body conveying unit 100, a double-chain type conveying belt 110, a bearing sheet 111, a bearing groove 1111, a tail chain wheel 112, a clamping device 120, an upper pressure plate 121, a pressure block 122, a lower top block 123, a lifting executive part 124, a thrust plate 125 and a flow guide inclined plane 1251; the intermittent tractor 130, the traction wheel 131, the straight circular groove 1311, the spiral guide groove 1312, the spiral guide groove 1313, the driven wheel 132, the power source 133, the rod body throwing port 140, the throwing groove 141 and the anti-falling baffle 142;

the hole grinding unit 200, the sliding table sliding rail set 210, the hole grinding motor 220, the grinding tip 230, the linear reciprocating mechanism 240, the push rod 241, the swing rod 242, the cam 243, the power shaft 244 and the second tension spring 245;

the vibration disc 300, the spiral track 310, the notch 311, the anti-lamination block 312 and the needle outlet tube 320;

the material pulling unit 400, the second base 410, the needle outlet 411, the upper chute 412, the lower chute 413, the upper stopper 420, the first push chute 421, the lower stopper 430, the second push chute 431, the elastic element 440, the shifting fork 450, the first push button 451, the second push button 452, the contact lever 453 and the blocking strip 460; a shift lever 470;

the pin inserting device comprises a pin inserting unit 500, a first base 510, a sliding cavity 511, a sliding cavity cover 5111, a front stop block 520, a sliding block 530, a pin receiving rod 540, a pin receiving hole 541 and a first tension spring 551;

the needle pressing unit 600, the sliding seat 610, the sliding rod 620, the top sleeve 630 and the top needle hole 631;

a needle body 700;

a rod body 800;

a rack 900.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further 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 when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

In the description of the present invention, it is to be understood that the terms "center", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Examples

Referring to fig. 1, the present invention discloses an automatic compass needle loading device, which includes a rod conveying unit 100, a hole grinding unit 200, a vibration plate 300, a material poking unit 400, a needle inserting unit 500, and a needle pressing unit 600. For convenience of description, the present invention is directed to the front side near the center of the rod body conveying unit 100 and the rear side away from the center of the rod body conveying unit 100.

Referring to fig. 1 and 2, the rod conveying unit 100 includes a double-chain type conveyor belt 110, a clamping device 120 and a thrust plate 125. Each chain of the double-chain type conveyer belt 110 is symmetrically arrayed with a bearing sheet 111, and the bearing sheet 111 is provided with a bearing groove corresponding to the rod body. In this embodiment, the supporting pieces 111 are arranged at intervals. Thus, the rod bodies are placed on the double-chain type conveying belt 110, and the rod bodies are supported by the supporting grooves, so that the rod bodies can be moved to each station through the rotation of the chains. When the rod body is transferred to the tail end, the rod body falls from the tail end to finish automatic blanking.

The rod conveying unit 100 further includes a clamping device 120, and the clamping device 120 includes an upper pressing plate 121, a lower ejector block 123 and a lifting actuator 124. The upper pressing plate 121 is fixedly arranged above the double-chain type conveying belt 110, the lower ejector block 123 is arranged on the lifting execution part 124, and the lower ejector block 123 is driven by the lifting execution part 124 to ascend so as to clamp the rod body between the upper pressing plate 121 and the lower ejector block. In this embodiment, the lifting actuator 124 is a cylinder. In order to reduce the impact, it is preferable that the upper pressing plate 121 is provided with a pressing plate elastically and telescopically mounted under the upper pressing plate 121, and the pressing plate cooperates with the lower ejector block 123 to clamp the rod body.

In order to prevent the rod 800 from retreating when it is pushed by the axial force, the rod conveying unit 100 further includes a thrust plate 125, and the thrust plate 125 is disposed on the other side of the double-chain type conveyor belt 110 with respect to the hole grinding unit 200, the pin inserting unit 500, and the pin pressing unit 600. Thrust plate 125 is provided with a guide bevel 1251 prior to the station of the hole milling unit 200 so that rod body 800 passes thrust plate 125 without interference.

The rod conveying unit 100 further comprises an intermittent tractor 130, and the intermittent tractor 130 comprises a traction wheel 131, a driven wheel 132 and a power source 133. The axis of the traction wheel 131 is perpendicular to the axis of the tail sprocket 112, and the traction wheel 131 is provided with a segment of circular straight groove 1311, and a spiral guide groove 1312 and a spiral guide groove 1313 which are respectively guided to the two side surfaces from the starting point and the ending point of the circular straight groove 1311 along the circumferential surface. The driven pulleys 132 are circumferentially arrayed on the end face of the rear sprocket 112, the diameter of each driven pulley 132 is adapted to the width of each groove on the traction wheel 131, and when one driven pulley 132 leaves the spiral leading-out groove 1313 along the rotation direction of the rear sprocket 112, the next driven pulley 132 enters the spiral leading-in groove 1312. In this embodiment, the driven wheel 132 is a bearing.

The rod body conveying unit 100 further includes a rod body input port 140, and an input slot 141 is formed on the rod body input port 140. A blanking prevention baffle 142 is arranged below the feeding groove 141.

Referring to fig. 1 and 3, the hole grinding unit 200, the pin inserting unit and the pin pressing unit are disposed on the same side. In order to prevent the rod from moving backward when the rod is pushed by the axis, the rod conveying unit 100 further includes a thrust plate 125, and the thrust plate 125 is disposed on the other side of the double-chain type conveyor belt 110 with respect to the hole grinding unit 200, the pin inserting unit, and the pin pressing unit.

The hole grinding unit 200 includes a slide rail set 210, a hole grinding motor 220, a grinding tip 230, and a linear reciprocating mechanism 240. The sliding track set 210 is disposed in a direction of the transfer direction. The hole grinding motor 220 is arranged on the sliding table, and the shaft end of the hole grinding motor points to the transfer unit; the sharpening tip 230 is mounted at the shaft end of the hole sharpening motor 220, and the conical tip thereof is fitted with the pin hole of the rod body. The linear reciprocating mechanism pushes and pulls the hole grinding motor 220 to make it reciprocate linearly. Thus, when the rod is moved to the front of the hole grinding unit 200, the linear reciprocating mechanism pushes the hole grinding motor 220, so that the grinding tip 230 approaches the pin hole of the rod, and the grinding tip 230 finishes hole grinding under the high-speed operation of the shaft end of the hole grinding motor 220.

Thereafter the pin insertion phase is entered. Before inserting needles, the needle bodies need to be conveyed. Referring to fig. 4 and 5, the vibration plate 300 includes a spiral track 310 and a needle outlet tube 320 disposed at the end of the spiral track 310, and under the vibration action of the vibration plate 300, disordered needle bodies 700 are arranged along the spiral track 310 while rising until entering the needle outlet tube 320, and the needle outlet tube 320 is connected to the material stirring unit 400, so as to send the needle bodies 700 into the material stirring unit 400.

Along the conveying direction, the spiral track 310 is provided with at least one notch 311, the width B of the notch 311 is in accordance with L1 < B < L2, wherein L1 is the distance from the needle tail to the gravity center of the needle body, and L2 is the distance from the needle tip to the gravity center of the needle body. Due to the needle tip, the center of gravity of the needle body is substantially located at the backward position of the center of the total length of the needle body, so that when the needle body 700 passes in the forward direction (i.e. the needle tip faces forward, and the needle tail faces backward), the needle body can smoothly pass through the notch 311; when the needle body 700 passes through the notch 311 in the reverse direction (i.e., the needle point faces backward and the needle tail faces forward), the gravity center reaches the edge of the notch 700, the needle body 700 is unbalanced, the needle tail falls, and the needle body 700 falls from the notch 311.

In order to prevent the possible lamination of the needle body 700, which causes the upper layer of the needle body 700 to reversely pass through the notch 311, the spiral track 310 is provided with an anti-lamination block 312 at a position corresponding to the notch 311, and a channel allowing only a single layer of the needle body 700 to pass is formed between the anti-lamination block 312 and the spiral track 310, so that the laminated needle body 700 is pulled down when the lamination occurs.

Referring to fig. 6-9, the material pulling unit 400 includes a second base 410, an upper slide block 420, a lower slide block 430, an elastic element 440, a fork 450, and a lever 470.

The second base 410 is provided with a needle outlet 411, and an upper sliding groove 412 and a lower sliding groove 413 which are communicated with the needle outlet 411. The upper and lower sliders 420 and 430 are slidably mounted in the upper and lower chutes 412 and 413, respectively. The elastic element 440 acts on the tail of the lower sliding block 430, so that the lower sliding block 430 keeps the tendency of blocking the pinhole 411; in this embodiment, the elastic element 440 is an elastic thimble.

The shifting fork 450 is hinged on the second base 410, a first push button 451 is formed at the upper end of the shifting fork, a corresponding first push groove 421 is formed on the upper sliding block 420, and when the shifting fork 450 swings, the upper sliding block 420 is pushed and pulled; the lower end of the lower slide block is provided with a second push button 452, the lower slide block 430 is provided with a corresponding second push groove 431, and when the shift fork 450 swings, the lower slide block 430 is pushed and pulled. A contact handle 453 is formed at the lower end of the shift fork 450, and the shift lever 470 is installed on the slider 530 (the slider 530 of the pin inserting unit 500), so that when the slider 530 is returned, the shift lever 470 acts on the contact handle 453, and at this time, the upper slide block 420 is pushed forward to block the pin hole 411, so that the needle body 700 above the upper slide block 420 does not fall any more; when the sliding block 530 is pushed out, the elastic needle is reset, the upper sliding block 420 leaves the needle outlet 411, the lower sliding block 430 blocks the needle outlet 411, and the needle body 700 enters between the upper sliding block 420 and the lower sliding block 430 to prepare for next needle outlet.

The pin unit 500 includes a first base 510, a slider 530, a needle receiving rod 540, and a linear reciprocating mechanism. The first base 510 is provided with a front-back sliding chamber 511, and the sliding block 530 is slidably disposed in the sliding groove 511. The middle part of the needle receiving rod 540 is hinged at the front end of the sliding block 530, and the upper part thereof is provided with a needle receiving hole 541. The first base 510 is provided with a front stopper 520 and is located in front of the needle receiving rod 540. Thus, when the linear reciprocating mechanism pulls the slider 530 backward, the front end face of the sliding chamber cover 5111 of the sliding chamber 511 blocks the needle receiving rod 540 to erect, so that the needle receiving hole 541 faces the lower end of the needle outlet hole 411 of the material pushing unit 400, and thus the needle body 700 pushed out of the needle outlet hole 411 is received. When the linear reciprocating mechanism pushes the slider 530 forward, the front stop 520 acts on the lower portion of the needle receiving rod 540 to flip the needle forward.

In order to prevent the needle on the needle receiving rod 540 from not being inserted into the rod body 100 of the compass but remaining on the needle receiving hole 541 and retreating back to the first base body along with the needle receiving hole 541, the kick-out unit 400 further comprises a blocking strip 460, the blocking strip 460 is located on the front side of the needle outlet 411, the upper end of the blocking strip is hinged with the second base 410, the lower end of the blocking strip naturally drops and can be kicked forward, and the height of the end face of the lower end of the blocking strip is between the height of the missed needle of the needle receiving rod 540 and the height of the needle receiving. In order to prevent the shifting height of the barrier strip 460 from being too high, the lower end surface of the barrier strip 460 is provided with a chamfered surface facing the needle receiving hole 541.

Thereafter, the process proceeds to a needle pressing step. Referring to fig. 10, the needle pressing unit 600 includes a sliding base 610, a sliding rod 620, a top sleeve 630 and a linear reciprocating mechanism; the slide carriage 610 is disposed to point to a transfer direction of the double-chain conveyor 110, and the slide bar 620 is slidably inserted into the slide carriage 610. The top sleeve 630 is arranged at the front end of the sliding rod 620, a top needle hole 631 is formed in the center of the top sleeve 630, and the hole depth of the top needle hole 631 is smaller than the length of the needle body exposed outside the rod body. Thus, the pushing sleeve 630 is pushed by the linear reciprocating mechanism to push the needle body, so that the needle body further moves towards the needle inserting hole, and the tight fit of the needle body and the needle body is completed.

Preferably, in the present embodiment, the linear reciprocating mechanisms have similar structures. The linear reciprocating mechanism 240 is illustrated as a typical one, and includes a push rod 241, a swing rod 242, a cam 243, a power shaft 244, and a second tension spring 245. The swing rod 242 is hinged on the frame 900, and the upper part of the swing rod is hinged with the tail part of the push rod 241; one end of the second tension spring 245 is connected with the rack 900, and the other end is connected with the lower end of the swing rod 242, so that the swing rod 242 keeps a backward swing trend; the cam 243 is driven by a power shaft, and the cam 243 acts on the lower end of the swing rod 242 to intermittently swing the upper part of the swing rod 242 forwards. Therefore, as the structures of the linear reciprocating mechanisms are basically consistent, the linear reciprocating mechanisms can be synchronously driven only by acting on the cams through the power shaft 244, and the structure is simple and reliable.

Unlike other linear reciprocating mechanisms, the linear reciprocating mechanism used in the pin inserting unit 500 preferably further includes a first tension spring 551, as shown in fig. 6. One end of a first tension spring 551 is connected with the first base, and the other end is connected with the sliding block 530, so that the sliding block 530 keeps the trend of sliding backwards; the front end of the push rod is connected with the rear end of the slide block 530 in an abutting mode, and the driving piece drives the push rod. The linear reciprocating mechanism is designed to comprise a first tension spring 551, the slide block 530 is pushed by the push rod, and the first tension spring 551 enables the slide block 530 to automatically reset, so that the linear reciprocating mechanism is smoother and has low failure rate compared with the direct linear driving of other linear driving parts.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (10)

1. Automatic dress needle equipment of compasses, including the body of rod conveying unit, the body of rod conveying unit is used for realizing that the body of rod between each station of the automatic dress needle in-process of compasses moves and carries its characterized in that: all the stations are arranged in a straight line; the rod body conveying unit comprises a double-chain type conveying belt, the conveying direction of the double-chain type conveying belt is consistent with the arrangement direction of each station, each chain of the double-chain type conveying belt is symmetrically arrayed to form a bearing sheet, and a bearing groove corresponding to the rod body is formed in each bearing sheet; and the tail end chain wheel of the double-chain type conveying belt is drawn by an intermittent tractor.

2. The automatic compass needle loading device of claim 1, wherein: the intermittent tractor comprises a traction wheel, a driven wheel and a power source, wherein the axis of the traction wheel is vertical to the axis of the tail end chain wheel, and the traction wheel is provided with a section of annular straight groove along the circumferential surface thereof and a spiral leading-in groove and a spiral leading-out groove which are respectively guided to the two side surfaces of the traction wheel by the starting point and the end point of the annular straight groove; the driven wheels are arranged on the end face of the tail end chain wheel in a circumferential array mode, the wheel diameter of each driven wheel is matched with the width of each groove in the traction wheel, and when one driven wheel leaves the spiral leading-out groove along the rotation direction of the tail end chain wheel, the next driven wheel enters the spiral leading-in groove.

3. The automatic compass needle loading device of claim 1, wherein: the rod body conveying unit further comprises a clamping device and a thrust plate, wherein the clamping device comprises an upper pressing plate, a lower ejection block and a lifting execution piece; the upper pressing plate is fixedly arranged above the double-chain type conveying belt, the lower ejection block is arranged on the lifting execution part, and the lower ejection block is driven by the lifting execution part to ascend so as to clamp the rod body between the upper pressing plate and the lower ejection block; the thrust plate is arranged on the other side of the double-chain type conveying belt relative to each station and used for being abutted to the tail of the rod body.

4. The automatic compass needle loading device of claim 1, wherein: the station comprises a hole grinding station, a hole grinding unit is arranged on the hole grinding station, and the hole grinding unit comprises a sliding table sliding rail set, a hole grinding motor, a grinding tip and a linear reciprocating mechanism; the sliding table sliding rail set is arranged in the direction of the transfer direction; the hole grinding motor is arranged on the sliding table, and the shaft end of the hole grinding motor points to the transfer unit; the grinding tip is arranged at the shaft end of the hole grinding motor, and the conical tip of the grinding tip is matched with the pin inserting hole of the rod body; the linear reciprocating mechanism pushes and pulls the hole grinding motor to make the hole grinding motor reciprocate linearly.

5. The automatic compass needle loading device of claim 1, wherein: the station comprises a pin inserting station, a material shifting unit and a pin inserting unit are arranged on the pin inserting station, and the material shifting unit is provided with a vertically downward pin outlet; the pin inserting unit comprises a first base, a sliding block, a pin connecting rod and a linear reciprocating mechanism, wherein the first base is provided with a sliding cavity, and the sliding block is arranged in the sliding cavity in a sliding manner; the middle part of the needle connecting rod is hinged at the front end of the sliding block, and the upper part of the needle connecting rod is provided with a needle connecting hole; when the linear reciprocating mechanism pulls the slide block backwards, the cavity cover of the slide cavity blocks the needle receiving rod to erect so that the needle receiving hole is opposite to the lower end of the needle outlet hole of the material stirring unit for receiving a needle; the first base is provided with a front stop block, and when the linear reciprocating mechanism pushes the sliding block to move forwards, the front stop block acts on the lower part of the needle receiving rod to enable the needle receiving rod to turn forwards to insert a needle.

6. The automatic compass needle loading device of claim 5, wherein: the material shifting unit comprises a second base, an upper sliding block, a lower sliding block, an elastic element, a shifting fork and a shifting rod; the second base is internally provided with the needle outlet hole, an upper sliding chute and a lower sliding chute which are communicated with the needle outlet hole, and the upper sliding block and the lower sliding block are respectively installed in the upper sliding chute and the lower sliding chute in a sliding manner; the elastic element acts on the tail part of the lower sliding block to ensure that the lower sliding block keeps the tendency of blocking the pin outlet; the shifting fork is hinged on the second base, the upper end of the shifting fork is used for pushing and pulling the upper sliding block, the lower end of the shifting fork is used for pushing and pulling the lower sliding block, and the lower end of the shifting fork also forms a contact handle; the driving lever is installed on the sliding block, and when the sliding block returns, the driving lever acts on the touch handle.

7. The automatic compass needle loading device of claim 6, wherein: the material shifting unit further comprises a blocking strip, the blocking strip is located on the front side of the needle outlet hole, the upper end of the blocking strip is hinged to the second base, the lower end of the blocking strip naturally drops and can be shifted forwards, and the height of the end face of the lower end of the blocking strip is between the height of the needle receiving rod without the needle receiving rod and the height of the needle receiving rod.

8. The automatic compass needle loading device of claim 5, wherein: the needle discharging device also comprises a vibrating disk, wherein the vibrating disk comprises a spiral track and a needle discharging pipe arranged at the tail end of the spiral track; the spiral track is provided with at least one notch along the conveying direction, the width B of the notch accords with L1 < B < L2, wherein L1 is the distance from the needle tail to the gravity center of the needle body, and L2 is the distance from the needle tip to the gravity center of the needle body; the needle outlet pipe is connected with the material stirring unit.

9. The automatic compass needle loading device of claim 8, wherein: and an anti-lamination block is arranged on the spiral track corresponding to the notch, and a channel allowing only a single-layer needle body to pass through is formed between the anti-lamination block and the spiral track.

10. The automatic compass needle loading device of claim 1, wherein: the needle pressing unit comprises a sliding seat, a sliding rod, a top sleeve and the linear reciprocating mechanism; the sliding seat is arranged in a direction pointing to the shifting direction, and the sliding rod is inserted into the sliding seat in a sliding manner; the thimble is installed the front end of slide bar, the center of thimble is equipped with the thimble hole, the hole depth of thimble hole is less than the needle body bare in the external length of pole.

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