CN219725227U - Processing equipment for hole of push pin triangle - Google Patents

Abstract

The utility model relates to the technical field of computerized flat knitting machines, in particular to a processing device for a hole of a push needle triangle, which comprises a processing table, wherein the processing table is connected with a rotating disk, a workpiece fixing station is sequentially arranged on the processing table along the outer edge direction of the rotating disk, and is used for fixing the processing position of the push needle triangle and is distributed on the rotating disk corresponding to each station; a lower hole chamfering machining station for chamfering the lower chamfer of the push pin triangle machining hole; the upper hole chamfering machining station is used for chamfering the upper chamfer of the push pin triangle machining hole; the first drilling machining station is used for drilling and rough machining of the push pin triangle machining holes, the structure is reasonable in design, the hole precision of the push pin triangle machining holes can be accurately controlled, the machining quality of products is improved, manual repeated clamping is not needed, and the yield of the products is improved.

Description

Processing equipment for hole of push pin triangle

Technical Field

The utility model relates to the field of machining equipment, in particular to machining equipment for a hole of a push pin triangle.

Background

The needle pushing triangle is one of important parts in the flat knitting machine, is positioned in a machine head, is a core part of a needle pushing device, pushes a needle selected by a needle selector to be matched with an upper needle selecting mountain and a lower needle selecting mountain which are arranged on a motherboard, and enables the needle selector to be pushed to a needle turning position, so that knitting circulation is carried out.

In the prior art, the machining center is mainly used for machining the holes of the push pin cams, and the holes are further machined after the head parts of the push pin cams are milled, but the machining mode not only needs to clamp the push pin cams for a plurality of times before and after machining, so that the yield is low, but also because the machining center is more focused on milling, the machining requirement on the drilling precision can not be met, and the product machining quality of the push pin cams is reduced.

Disclosure of Invention

Aiming at the defects and shortcomings of the processing equipment for the triangular hole of the push pin in the prior art, the utility model provides the processing equipment for the triangular hole of the push pin, which can accurately control the hole precision of the triangular hole of the push pin, improve the processing quality of a product, does not need to be clamped for multiple times, and improves the yield of the product.

In order to solve the technical problems, the utility model is solved by the following technical scheme:

the processing equipment for the holes of the push pin triangle comprises a processing table, wherein the processing table is connected with a rotary disk, and the processing table is sequentially provided with a plurality of push pin holes along the outer edge direction of the rotary disk

The workpiece fixing station is used for fixing the processing position of the push pin triangle and is distributed on the rotary disk corresponding to each station;

a lower hole chamfering machining station for chamfering the lower chamfer of the push pin triangle machining hole;

the upper hole chamfering machining station is used for chamfering the upper chamfer of the push pin triangle machining hole;

the first drilling station is used for drilling and rough machining of the push pin triangle machining hole;

a second drilling station for drilling and finishing the triangular push pin machining hole;

and the blanking station is used for pushing out the processed push pin triangle for blanking.

As preferable: the pin pushing device further comprises a third drilling machining station, wherein the third drilling machining station is used for carrying out secondary finish machining on the pin pushing triangular drilling, and the third drilling machining station is arranged between the second drilling machining station and the blanking station.

As preferable: and cutting fluid spraying guns for cooling the upper hole machining position of the push pin triangle are respectively connected to the workpiece fixing station, the lower hole chamfering machining station, the upper hole chamfering machining station and the positions nearby the first drilling machining station.

As preferable: the work piece fixing station is including connecting the anchor clamps base on the rotary disk, the outer end of anchor clamps base is connected with the spring positioning frame that contradicts with the triangle head bottom of pushing pins, the center of spring positioning frame is equipped with spacing ejector pin, the cover is equipped with the pressure spring on the spacing ejector pin, have a holding tank that is used for holding the triangle of pushing pins in the anchor clamps base, still be equipped with a depression bar unit that can inject the triangle fixed position of pushing pins on the anchor clamps base.

As preferable: the compression bar unit comprises a lifting compression bar penetrating through the clamp base and an adjusting unit used for controlling the lifting compression bar to lift, the adjusting unit comprises a cylinder seat, a lifting cylinder connected to the cylinder seat and a supporting limiting block connected to the lifting cylinder, and the upper end face of the supporting limiting block abuts against the lifting compression bar when the lifting cylinder acts upwards.

As preferable: the lower hole chamfering machining station comprises a first power head, a first drill bit clamped on the first power head, a first power head fixing seat used for fixing the first power head and a pressing plate adjusting assembly used for pressing down a lifting pressing rod, wherein the first power head fixing seat is fixed below a machining table, the first drill bit rotates to chamfer a lower hole of a push pin triangle under the driving of the first power head, the pressing plate adjusting assembly comprises a cylinder fixing seat, a first cylinder part fixed at the tail end of the cylinder fixing seat, a bearing seat connected to the cylinder fixing seat, a push rod capable of moving back and forth along the bearing seat and a lever bracket fixed at the front end of the cylinder fixing seat, a plurality of bearings are arranged on the bearing seat along the direction of the push rod, one end of the push rod is connected with the first cylinder part and can move back and forth along the bearing on the bearing seat, a slope surface from low to high is arranged on the upper plane of the push rod, a lever pressing plate is hinged on the lever bracket, one end of the lever pressing plate is hinged with a rolling bearing capable of moving along the upper plane of the push rod, and the other end of the lever pressing plate is pressed on the lifting pressing rod.

As preferable: the upper hole chamfering machining station comprises a first vertical support fixed on a machining table, a second power head connected to the first vertical support and a first pressing plate unit used for pressing down a lifting rod, a second drill bit is connected to the bottom end of the second power head, the second drill bit rotates to chamfer an upper hole of a push pin triangle under the driving of the second power head, the first pressing plate unit comprises a second cylinder part, a first fixing support is connected to the second cylinder part, a first lever frame is connected to the second cylinder part through a piston rod, support pull rods connected to the first lever frame are hinged to two sides of the first fixing support, one end of the first lever frame is connected with the piston rod, and the other end of the first lever frame is propped against the lifting rod.

As preferable: the first drilling processing station comprises a vertical support II, a power head III connected to the vertical support II and a pressing plate unit II used for pressing down the lifting pressing plate, wherein a drill bit III is connected to the bottom end of the power head III, the drill bit III rotates to drill holes of push pin triangles under the driving of the power head III, the pressing plate unit II comprises a cylinder part III, a fixing support II is connected to the cylinder part III, a lever bracket II is connected to the cylinder part III, supporting pull rods II connected with the lever bracket II are hinged to two sides of the fixing support II, one end of the lever bracket II is connected with the cylinder part III, and the other end of the lever bracket II is propped against the lifting pressing rod.

As preferable: the second drilling machining station is identical to the first drilling machining station in structure, and the second drilling machining station is provided with a fourth drill bit with the diameter larger than that of the third drill bit.

As preferable: the structure of the third drilling machining station is the same as that of the second drilling machining station, and the third drilling machining station is provided with a triangular hole site drill bit five which is convenient for pin pushing again.

The utility model has the beneficial effects that: the device is reasonable in structural design, a push pin triangle is manually or mechanically clamped on a workpiece fixing station to be fixed before machining, then the push pin triangle rotates to a lower hole chamfering machining station under the rotation of the rotary disk, chamfering is carried out on the lower hole position of the push pin triangle, then the push pin triangle rotates to an upper hole chamfering machining station, chamfering is carried out on the upper hole position of the push pin triangle, after hole chamfering machining is completed, reaming machining can be carried out more smoothly, the push pin triangle rotates to a first drilling machining station to carry out rough machining on holes, the push pin triangle rotates to a second drilling machining station to carry out semi-finish machining on holes, and the push pin triangle rotates to a third drilling machining station to carry out finish machining on holes again, so that the machining process of the push pin triangle holes is completed.

Drawings

Fig. 1 is a schematic view of the state 1 structure of the present utility model.

Fig. 2 is a schematic view of the state 2 structure of the present utility model.

Fig. 3 is a schematic view of an exploded structure of the present utility model.

FIG. 4 is an exploded view of the platen adjustment assembly of the present utility model.

Fig. 5 is a schematic view of the work fixing station structure of the present utility model.

Fig. 6 is a schematic diagram of the structure of the adjusting unit of the present utility model.

Fig. 7 is a schematic view of a platen unit according to the present utility model.

Fig. 8 is a schematic view of a platen unit of the present utility model.

Reference numerals: 1. a processing table; 2. a rotating disc; 3. a cutting fluid spray gun; 20. a workpiece fixing station; 21. a lower hole chamfering processing station; 22. a working position for chamfering an upper hole; 23. a first drilling station; 24. a second drilling station; 25. a blanking station; 26. a third drilling station; 200. a clamp base; 201. a spring positioning frame; 202. a receiving groove; 203. limiting ejector rod; 204. a compression bar unit; 205. a pressure spring; 206. a pushing cylinder; 2040. a lifting pressure lever; 2041. an adjusting unit; 2042. an arc-shaped groove; 2043. a cylinder block; 2044. a lifting cylinder; 2045. a supporting limiting block; 210. a first power head; 211. a first drill bit; 212. a power head fixing seat; 213. a platen adjustment assembly; 2130. a cylinder fixing seat; 2131. a first cylinder member; 2132. a bearing seat; 2133. a bearing groove; 2134. a push rod; 2135. a slope surface; 2136. a lever bracket; 2137. a lever pressing plate; 2138. a rolling bearing; 220. a first vertical bracket; 221. a second power head; 222. a second drill bit; 223. a first pressing plate unit; 224. a second cylinder member; 225. a first fixed bracket; 226. a lever bracket I; 227. a first support pull rod; 230. a second vertical bracket; 231. a third power head; 232. a third drill bit; 233. a second pressing plate unit; 234. a third cylinder member; 235. a second fixing bracket; 236. a lever bracket II; 237. a support pull rod; 240. a drill bit IV; 250. a cylinder fixing seat; 251. fixing a cylinder seat; 252. a pushing cylinder; 253. a receiving groove; 254. a push rod mounting seat; 255. a pushing rod; 260. and a drill bit V.

Description of the embodiments

The present utility model will be described in further detail with reference to the accompanying drawings and examples.

Examples

As shown in fig. 1 to 8, a processing device for a hole of a push pin triangle comprises a processing table 1, wherein a rotary disk 2 is connected to the processing table 1, and the processing table 1 is sequentially arranged along the outer edge direction of the rotary disk 2

The workpiece fixing station 20 is used for fixing the processing position of the push pin triangle, and the corresponding stations are distributed on the rotary disk 2;

a lower hole chamfering processing station 21, wherein the lower hole chamfering processing station 21 is used for chamfering the lower chamfer of the push pin triangle processing hole;

an upper hole chamfering processing station 22, wherein the upper hole chamfering processing station 22 is used for chamfering the upper chamfer of the push pin triangle processing hole;

a first drilling station 23, wherein the first drilling station 23 is used for drilling and rough machining of the push pin triangle machining hole;

a second drilling station 24, the second drilling station 24 being used for drilling and finishing the triangular push pin machining holes;

a blanking station 25, wherein the blanking station 25 is used for pushing out the processed push pin triangle for blanking;

the rotary disk 2 realizes regular rotation through a stepping motor at the bottom, so that each step of processing of a push pin triangular hole is conveniently realized, 6 stations are counted aiming at the processing of the push pin triangular hole, the first station is a workpiece fixing station 20, the processing position of the push pin triangular hole is mainly fixed, the position of the processing hole is accurately fixed at a required position, the second station is a lower hole chamfering processing station 21, the upper surface and the lower surface of the push pin triangular hole position are required to be chamfered before reaming, the hole position can be drilled more surely, the problem that the drilling accuracy is affected due to slipping or inclination and the like in drilling is avoided, the upper hole chamfering is processed through a third station after the processing of the lower hole chamfering processing station 21 is performed through the second station, so that a good punching foundation is provided for a first drilling processing station 23 of a fourth station, the finished push pin triangular hole is pushed into a lower trough through a blanking station 25 after the first drilling processing station 23 is subjected to rough drilling processing, and the finished pushing pin triangular hole is finished through a second drilling station 24;

the blanking station 25 comprises a material taking cylinder fixing seat 250, a fixed cylinder seat 251 is connected to the material taking cylinder fixing seat 250, a material pushing cylinder 252 is connected to the fixed cylinder seat 251, a push rod mounting seat 254 is connected to the front end of the material pushing cylinder 252, a material pushing rod 255 corresponding to the tail end of a push pin triangle is connected to the tail end of the push rod mounting seat 254, and a material receiving groove 253 is connected to the outside of the fixed cylinder seat 251; after finishing the processing of the triangular hole of the push pin, the material enters a blanking station 25, at this time, the adjusting unit 2041 can adjust the lifting pressure lever 2040 upwards, the pushing cylinder 252 can act backwards, the push rod mounting seat 254 is pulled, the push rod 255 can push out the triangular pin, the triangular pin can enter a blanking area through the material receiving groove 253, and the blanking action is completed;

the equipment of this design is fixed on work piece fixed station 20 with the manual work of pushing pin triangle or machine clamping at first before processing, then rotate to lower hole chamfer processing station 21 under the rotation of rotary disk 2, carry out chamfering to the lower hole site of pushing pin triangle, then rotate to upper hole chamfer processing station 22, carry out chamfering to the upper hole site of pushing pin triangle, after accomplishing hole chamfer processing, can more smoothly carry out reaming processing, rotate to first drilling processing station 23 and to hole rough machining, rotate to second drilling processing station 24 and to hole finish machining, the equipment not only can the hole precision of accurate control pushing pin triangle processing hole, promote product processingquality, need not artifical clamping many times, the yield of product has been improved.

In this embodiment, a cutting fluid spraying gun 3 for cooling the upper hole machining position of the push pin triangle is connected to the positions near the workpiece fixing station 20, the lower hole chamfering machining station 21, the upper hole chamfering machining station 22 and the first drilling machining station 23; the cutting fluid spraying gun 3 is characterized in that a cutting fluid containing barrel is arranged outside, a one-way valve is inserted into the cutting fluid containing barrel, the cutting fluid spraying quantity can be effectively controlled under the action of the one-way valve, then the cutting fluid spraying gun is connected into the spraying gun from the one-way valve, the spraying gun is arranged into a soft spraying pipe, the position of a spraying head of the spraying pipe is continuously sprayed corresponding to the position of the processing of the push pin triangular hole, and the purpose of cooling is achieved.

In this embodiment, the workpiece fixing station 20 includes a fixture base 200 connected to the rotating disc 2, an outer end of the fixture base 200 is connected to a spring positioning frame 201 that abuts against a bottom end of a push pin triangle head, a limiting ejector rod 203 is disposed in a center of the spring positioning frame 201, a compression spring 205 is sleeved on the limiting ejector rod 203, a receiving groove 202 for receiving the push pin triangle is disposed in the fixture base 200, and a compression bar unit 204 capable of defining a fixed position of the push pin triangle is further disposed on the fixture base 200;

the workpiece fixing stations 20 are distributed at equally spaced positions of the rotary disk 2 according to the number of stations, the spring positioning frames 201 outside the clamp base 200 can fix the heads of the push pin cams, the inner walls of the heads of the push pin cams are propped against the outer wall surfaces of the clamp base 200 to finish head positioning, and the whole push pin cams have a certain upward pushing force through the limiting ejector rod 203 in the center and the sleeved pressure spring 205 structure, so that the heads and the rod bodies of the push pin cams are kept on the same horizontal plane, and then the rod bodies of the push pin cams are pressed down by the pressing rod units 204, so that the push pin cams can be effectively fixed in the accommodating grooves 202 of the clamp base 200, and meanwhile, the machining hole positions on the rod bodies of the push pin cams are kept to be perpendicular to the rotary disk 2 to be fixed, thereby facilitating the machining of subsequent stations and improving the machining stability;

when the workpiece fixing station 20 is set to be manually fed, an operator directly manually places the push pin triangle in the accommodating groove 202, the head is placed on the upper end surface of the limiting ejector rod 203, the inner wall of the head can be simultaneously propped against the outer wall surface of the clamp base 200, the press rod unit 204 is manually pressed down, and the press rod unit 204 clamps the rod body of the push pin triangle to be positioned;

when the workpiece fixing station 20 is set to be automatically fed, the workpiece fixing station 20 is fed to a processing port of the workpiece fixing station 20 through a vibration disc, then a pushing cylinder 206 pushes a pushing triangle to the accommodating groove 202, meanwhile, the head of the pushing triangle is arranged on the upper end face of the limiting ejector rod 203, the inner wall of the head can be simultaneously propped against the outer wall surface of the clamp base 200, and when the equipment is started, a compression bar unit 204 can automatically clamp the rod body of the pushing triangle to be positioned;

preferably, a manual feeding mode is adopted, and if automatic feeding is adopted, the machine cannot quickly identify the correct placement position, the position is further corrected, position deviation is easy to generate, the workpiece placement time is prolonged, and therefore, the manual feeding mode can be used for directly quickly and accurately placing the push pin triangle in the correct placement position, and the hole machining efficiency of the push pin triangle is further improved.

In this embodiment, the compression bar unit 204 includes a compression bar 2040 passing through the fixture base 200 and an adjusting unit 2041 for controlling the compression bar 2040 to lift, the adjusting unit 2041 includes a cylinder block 2043, a lifting cylinder 2044 connected to the cylinder block 2043, and a supporting limiting block 2045 connected to the lifting cylinder 2044, wherein the upper end surface of the supporting limiting block 2045 abuts against the compression bar 2040 when the lifting cylinder 2044 moves upward; the lifting pressure lever 2040 is set to be T-shaped, an arc-shaped groove 2042 matched with the outer diameter of the lever body is arranged at the position of limiting the push pin triangle lever body, the lever body can be limited in an omnibearing manner by effectively matching with the accommodating groove 202, the fixing strength of the push pin triangle structure is enhanced, the adjusting unit 2041 can regulate and control the height of the lifting pressure lever 2040, when the push pin triangle needs to be positioned, the lifting pressure lever 2040 is manually pressed down, after the push pin triangle processing is finished, the adjusting unit 2041 drives the lifting pressure lever 2040 to be adjusted upwards, the push pin triangle is convenient to be fed at the feeding station 25, and meanwhile, the workpiece fixing station 20 is convenient to feed; the lifting cylinder 2044 is vertically arranged, the supporting limiting block 2045 is connected to the lifting cylinder 2044, and under the action of the lifting cylinder 2044, the supporting limiting block 2045 drives the upper lifting pressing plate, so that the pushing needle triangle can be conveniently used for discharging and feeding.

In this embodiment, the lower hole chamfering processing station 21 includes a first power head 210, a first drill bit 211 clamped on the first power head 210, a first power head fixing seat 212 for fixing the first power head 210, and a pressing plate adjusting assembly 213 for pressing down a lifting rod 2040, the first power head fixing seat 212 is fixed under the processing table 1, the first drill bit 211 rotates to chamfer the lower hole of the needle pushing triangle under the driving of the first power head 210, the pressing plate adjusting assembly 213 includes a first cylinder fixing seat 250, a first cylinder part 2131 fixed on the tail end of the first cylinder fixing seat 250, a bearing seat 2132 connected on the first cylinder fixing seat 250, a pushing rod 2134 capable of moving back and forth along the bearing seat 2132, and a lever bracket 2136 fixed on the front end of the first cylinder fixing seat 250, the bearing seat 2132 is provided with a plurality of bearings, one end of the pushing rod 2134 is connected with the first cylinder part 2131 and capable of moving back and forth along the bearing on the bearing seat 2132, the upper plane of the pushing rod 2134 has a slope surface 5 from low to high, the lever bracket 2136 is hinged on the rear end of the cylinder fixing seat 250, the pushing rod 2137 is capable of moving back and forth along the bearing 2137, and pressing the other end 2137 is capable of moving along the bearing 2138;

the first movable cutter head is fixed below the processing table 1 through a fixed seat of the first movable cutter head, the head of the first drill bit 211 is upwards fixed on the first movable cutter head, so that chamfering treatment is conveniently carried out on the hole site of the lower hole of the push pin triangle, and before processing action, the pressing plate adjusting assembly 213 is required to be started simultaneously to realize pressing action on the lifting pressing rod 2040, so that the situation that the lifting pressing rod 2040 is tilted and the processing position is damaged is avoided;

the cylinder fixing seat 250 is fixed at the assembling position of the first cylinder part 2131, a bearing groove 2133 is formed in the bearing seat 2132, a row of bearings are hinged in the bearing groove 2133, and meanwhile, a push rod 2134 is arranged on the bearings and can move back and forth along the bearing groove 2133;

when the lifting and pressing rod 2040 needs to be pressed down, the first cylinder part 2131 is started, the first cylinder part 2131 pushes the push rod 2134 forwards through the cylinder joint, the push rod 2134 synchronously pushes forwards along the bearing groove 2133 under the action of the bearing in the bearing seat 2132, meanwhile, one end of the right rolling bearing 2138 on the lever pressing plate 2137 moves along the inclined plane 2135 on the push rod 2134 from low to high, the other end of the lever pressing plate 2137 continuously presses down the lifting and pressing rod 2040, the final pressing purpose is achieved, after the processing is finished, the first cylinder part 2131 pulls the push rod 2134 backwards through the cylinder, the push rod 2134 synchronously pulls along the bearing groove 2133, meanwhile, one end of the right rolling bearing 2138 on the lever pressing plate 2137 moves along the inclined plane 2135 on the upper plane of the push rod 2134, the other end of the lever pressing plate 2137 continuously moves up and lifts the lifting and pressing rod 2040, and the workpiece fixing station 20 at the position enters the next station for processing.

In this embodiment, the upper hole chamfering processing station 22 includes a first vertical bracket 220 fixed on the processing table 1, a second power head 221 connected to the first vertical bracket 220, and a first pressing plate unit 223 for pressing down the lifting rod 2040, the bottom end of the second power head 221 is connected with a second drill bit 222, the second drill bit 222 rotates to chamfer the upper hole position of the push pin triangle under the driving of the second power head 221, the first pressing plate unit 223 includes a second cylinder member 224, the second cylinder member 224 is connected with a first fixing bracket 225, the second cylinder member 224 is connected with a first lever bracket 226 through a piston rod, two sides of the first fixing bracket 225 are hinged with a first supporting pull rod 227 connected with the first lever bracket 226, one end of the first lever bracket 226 is connected with the piston rod, and the other end of the first lever bracket 226 is pressed against the lifting rod 2040;

the first vertical support 220 is used for fixing the assembly position of the second movable cutter head, meanwhile, the second drill bit 222 at the bottom end of the second movable cutter head can rotate under the drive of the second movable cutter head to chamfer the upper hole of the push pin triangle, and before the upper hole is chamfered, the pressure plate unit is required to press the lifting and lowering rod 2040 downwards, so that the hole is chamfered conveniently; when the device is used, the cylinder part II 224 is driven to be adjusted upwards, the cylinder part II 224 can drive the connecting end of the lever frame I226 to perform ascending action, the other end of the lever frame I226 can continuously press on the lifting pressure rod 2040 by taking the fixed support I225 as a lever point, the purpose of fixing the lifting pressure rod 2040 to press the push pin triangle rod body is achieved, after the chamfering of an upper hole is completed, the cylinder part II 224 can be pulled downwards, the cylinder part II 224 can drive the connecting end of the lever frame I226 to perform descending action, the other end of the lever frame I226 can be separated from the pressing action on the lifting pressure rod 2040, and a workpiece station can be conveniently fixed to enter the next machining procedure.

In this embodiment, the first drilling station 23 includes a second vertical support 230, a third power head 231 connected to the second vertical support 230, and a second pressing plate unit 233 for pressing down the lifting pressing plate, where a third drill bit 232 is connected to the bottom end of the third power head 231, the third drill bit 232 is driven by the third power head 231 to rotate to drill the hole site of the push pin triangle, the second pressing plate unit 233 includes a third cylinder member 234, a second fixing support 235 is connected to the third cylinder member 234, a second lever frame 236 is connected to the third cylinder member 234, two sides of the second fixing support 235 are hinged with a second supporting pull rod 237 connected to the second lever frame 236, one end of the second lever frame 236 is connected to the third cylinder member 234, and the other end of the second lever frame 236 is pressed against the lifting pressing rod 2040;

the second vertical support 230 is fixedly connected with the third power head 231, and meanwhile the third power head 231 can drive the third drill bit 232 at the bottom end to rotate for reaming, so that the hole site of the push pin triangle is drilled and roughly machined; the pressing plate unit starts to press the lifting and lowering rod 2040 before the first drilling hole site is machined, so that the stability of the push pin triangle drilling machining is enhanced;

when the hydraulic lifting device is used, the cylinder part III 234 is driven to be adjusted upwards, the cylinder part III 234 can drive the connecting end of the lever frame II 236 to perform lifting action, the other end of the lever frame II 236 can continuously press on the lifting pressure rod 2040 by taking the fixing support II 235 as a lever point, the purpose of fixing the lifting pressure rod 2040 to press the push pin triangle rod body is achieved, after the rough machining drilling action is completed, the cylinder part III 234 can be pulled downwards, the cylinder part III 234 can drive the connecting end of the lever frame II 236 to perform descending action, the other end of the lever frame II 236 can be separated from the pressing action on the lifting pressure rod 2040, and the work station can be conveniently fixed to enter the next machining procedure.

In this embodiment, the second drilling station 24 has the same structure as the first drilling station 23, and has a fourth drill 240 with a diameter larger than the third drill 232; after rough machining of the hole site of the push pin triangle by the first drilling station 23, the second drilling station 24 again machines the hole site to the required hole diameter by the drill four 240.

Examples

As shown in fig. 3, a third drilling station 26 is further included, the third drilling station 26 is used for secondary finishing of the push pin triangle drilling, and the third drilling station 26 is arranged between the second drilling station 24 and the blanking station 25; the third drilling processing station 26 can carry out secondary reaming finish machining on the push pin triangle, so that the machining precision of the push pin triangle hole site is further improved, the situation that a test tool cannot be perforated is further reduced, for example, under the condition that 100 workpieces are processed, the finished reaming is carried out through the third drilling processing station 26, the passing rate of the push pin triangle hole site after being processed can reach 99%, the hole machining precision is effectively improved, and the yield is improved; after the processing of the third drilling processing station 26, the rotary disk 2 rotates, and the processed push pin triangle is discharged under the action of the discharging station 25.

In this embodiment, the structure of the third drilling station 26 is the same as that of the second drilling station 24, and the third drilling station 26 has a fifth drill bit 260 for facilitating the re-needle pushing of the triangular hole site; the third drilling station 26 has the same structure as the first drilling station 23 and the second drilling station 24, and the third drilling station 26 has a five-bit 260 with a diameter larger than the four-bit 240, and the five-bit 260 has a diameter larger than about 2401 wire-2 wires of the four-bit, so that the penetration rate of the hole site can be further improved.

Taking the processing aperture required by the push pin triangle as an example, after the chamfering action under the hole site and the chamfering action on the hole site in sequence, reaming through the first drilling processing station 23, reaming through the second drilling processing station 24, reaming through the hole site 3mm, and finally reaming through the third drilling processing station 26 to the hole site 3.01mm or 3.02mm, thereby finishing the hole site processing, ensuring the rate of finished products of the hole site processing, and effectively improving the processing efficiency of the push pin triangle hole processing.

The foregoing is merely exemplary of the present utility model, and those skilled in the art should not be considered as limiting the utility model, since modifications may be made in the specific embodiments and application scope of the utility model in light of the teachings of the present utility model.

Claims (10)

1. The utility model provides a processing equipment is used in hole of pushing pin triangle, includes a processing platform, is connected with rotary disk, its characterized in that on this processing platform: the processing tables are sequentially arranged along the outer edge direction of the rotating disk

The workpiece fixing station is used for fixing the processing position of the push pin triangle and is distributed on the rotary disk corresponding to each station;

a lower hole chamfering machining station for chamfering the lower chamfer of the push pin triangle machining hole;

the upper hole chamfering machining station is used for chamfering the upper chamfer of the push pin triangle machining hole;

the first drilling station is used for drilling and rough machining of the push pin triangle machining hole;

a second drilling station for drilling and finishing the triangular push pin machining hole;

and the blanking station is used for pushing out the processed push pin triangle for blanking.

2. The processing apparatus for a hole of a push pin triangle according to claim 1, wherein: the pin pushing device further comprises a third drilling machining station, wherein the third drilling machining station is used for carrying out secondary finish machining on the pin pushing triangular drilling, and the third drilling machining station is arranged between the second drilling machining station and the blanking station.

3. The processing apparatus for a hole of a push pin triangle according to claim 1, wherein: and cutting fluid spraying guns for cooling the upper hole machining position of the push pin triangle are respectively connected to the workpiece fixing station, the lower hole chamfering machining station, the upper hole chamfering machining station and the positions nearby the first drilling machining station.

4. The processing apparatus for a hole of a push pin triangle according to claim 1, wherein: the work piece fixing station is including connecting the anchor clamps base on the rotary disk, the outer end of anchor clamps base is connected with the spring positioning frame that contradicts with the triangle head bottom of pushing pins, the center of spring positioning frame is equipped with spacing ejector pin, the cover is equipped with the pressure spring on the spacing ejector pin, have a holding tank that is used for holding the triangle of pushing pins in the anchor clamps base, still be equipped with a depression bar unit that can inject the triangle fixed position of pushing pins on the anchor clamps base.

5. The processing apparatus for a push pin triangle hole according to claim 4, wherein: the compression bar unit comprises a lifting compression bar penetrating through the clamp base and an adjusting unit used for controlling the lifting compression bar to lift, the adjusting unit comprises a cylinder seat, a lifting cylinder connected to the cylinder seat and a supporting limiting block connected to the lifting cylinder, and the upper end face of the supporting limiting block abuts against the lifting compression bar when the lifting cylinder acts upwards.

6. The processing apparatus for a push pin triangle hole according to claim 5, wherein: the lower hole chamfering machining station comprises a first power head, a first drill bit clamped on the first power head, a first power head fixing seat used for fixing the first power head and a pressing plate adjusting assembly used for pressing down a lifting pressing rod, wherein the first power head fixing seat is fixed below a machining table, the first drill bit rotates to chamfer a lower hole of a push pin triangle under the driving of the first power head, the pressing plate adjusting assembly comprises a cylinder fixing seat, a first cylinder part fixed at the tail end of the cylinder fixing seat, a bearing seat connected to the cylinder fixing seat, a push rod capable of moving back and forth along the bearing seat and a lever bracket fixed at the front end of the cylinder fixing seat, a plurality of bearings are arranged on the bearing seat along the direction of the push rod, one end of the push rod is connected with the first cylinder part and can move back and forth along the bearing on the bearing seat, a slope surface from low to high is arranged on the upper plane of the push rod, a lever pressing plate is hinged on the lever bracket, one end of the lever pressing plate is hinged with a rolling bearing capable of moving along the upper plane of the push rod, and the other end of the lever pressing plate is pressed on the lifting pressing rod.

7. The processing apparatus for a push pin triangle hole according to claim 5, wherein: the upper hole chamfering machining station comprises a first vertical support fixed on a machining table, a second power head connected to the first vertical support and a first pressing plate unit used for pressing down a lifting rod, a second drill bit is connected to the bottom end of the second power head, the second drill bit rotates to chamfer an upper hole of a push pin triangle under the driving of the second power head, the first pressing plate unit comprises a second cylinder part, a first fixing support is connected to the second cylinder part, a first lever frame is connected to the second cylinder part through a piston rod, support pull rods connected to the first lever frame are hinged to two sides of the first fixing support, one end of the first lever frame is connected with the piston rod, and the other end of the first lever frame is propped against the lifting rod.

8. The processing apparatus for a push pin triangle hole according to claim 5, wherein: the first drilling processing station comprises a vertical support II, a power head III connected to the vertical support II and a pressing plate unit II used for pressing down the lifting pressing plate, wherein a drill bit III is connected to the bottom end of the power head III, the drill bit III rotates to drill holes of push pin triangles under the driving of the power head III, the pressing plate unit II comprises a cylinder part III, a fixing support II is connected to the cylinder part III, a lever bracket II is connected to the cylinder part III, supporting pull rods II connected with the lever bracket II are hinged to two sides of the fixing support II, one end of the lever bracket II is connected with the cylinder part III, and the other end of the lever bracket II is propped against the lifting pressing rod.

9. The processing apparatus for a push pin triangle hole according to claim 5, wherein: the second drilling machining station is identical to the first drilling machining station in structure, and the second drilling machining station is provided with a fourth drill bit with the diameter larger than that of the third drill bit.

10. The processing apparatus for a hole of a push pin triangle according to claim 2, wherein: the structure of the third drilling machining station is the same as that of the second drilling machining station, and the third drilling machining station is provided with a triangular hole site drill bit five which is convenient for pin pushing again.