CN110252836B - Headrest rod tooth forming machine - Google Patents
Headrest rod tooth forming machine Download PDFInfo
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- CN110252836B CN110252836B CN201910641711.XA CN201910641711A CN110252836B CN 110252836 B CN110252836 B CN 110252836B CN 201910641711 A CN201910641711 A CN 201910641711A CN 110252836 B CN110252836 B CN 110252836B
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- 230000007246 mechanism Effects 0.000 claims abstract description 38
- 239000000463 material Substances 0.000 claims abstract description 6
- 238000000465 moulding Methods 0.000 claims description 18
- 230000005540 biological transmission Effects 0.000 claims description 10
- 230000033001 locomotion Effects 0.000 claims description 10
- 210000003781 tooth socket Anatomy 0.000 claims description 7
- 238000012545 processing Methods 0.000 abstract description 13
- 238000001125 extrusion Methods 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 229910000831 Steel Inorganic materials 0.000 description 5
- 230000004048 modification Effects 0.000 description 5
- 238000012986 modification Methods 0.000 description 5
- 239000010959 steel Substances 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000006378 damage Effects 0.000 description 3
- 238000003754 machining Methods 0.000 description 3
- 238000003801 milling Methods 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 239000000110 cooling liquid Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C23/00—Extruding metal; Impact extrusion
- B21C23/02—Making uncoated products
- B21C23/04—Making uncoated products by direct extrusion
- B21C23/08—Making wire, bars, tubes
- B21C23/085—Making tubes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C23/00—Extruding metal; Impact extrusion
- B21C23/21—Presses specially adapted for extruding metal
- B21C23/217—Tube extrusion presses
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C25/00—Profiling tools for metal extruding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C25/00—Profiling tools for metal extruding
- B21C25/02—Dies
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
- Jigs For Machine Tools (AREA)
Abstract
The invention discloses a headrest rod tooth-shaped forming machine, which is characterized in that two support plates are vertically fixed on a machine base, the two support plates are mutually parallel, an upper die holder is connected to the two support plates in a sliding manner, a variable frequency motor is fixed on one side of the end parts of the two support plates in the length direction, the variable frequency motor drives the upper die holder to horizontally reciprocate on the two support plates through a crank-link mechanism, a cutter row is arranged on the lower surface of the upper die holder, a plurality of hob cutters are rotationally connected to the cutter row, a vertical lifting mechanism is arranged between the two support plates, the lower surface of the vertical lifting mechanism is connected with the machine base, the upper surface of the vertical lifting mechanism is connected with a clamp seat, the clamp seat is positioned below the cutter row, and the vertical lifting mechanism is used for driving the clamp seat to reciprocate in the vertical direction. The invention aims to solve the problem of low strength of a workpiece caused by a processing mode of removing materials in a headrest rod clamping groove of an automobile seat. The technical effect is that the tooth-shaped groove is obtained by adopting a roller extrusion mode, the strength of the headrest rod is enhanced, the clamp is unique, and the diameter of the product is not deformed.
Description
Technical Field
The embodiment of the invention relates to the technical field of processing equipment of headrest rods of automobile seats, in particular to a tooth-shaped forming machine for headrest rods.
Background
At present, in the manufacturing process of the headrest rod of the automobile seat, tooth processing operation is needed to be carried out on the headrest rod, namely, a steel pipe is processed into tooth grooves with a certain angle and depth on the outer wall of the steel pipe according to the requirements of a production process. The existing tooth processing of the headrest rod is mainly formed by milling teeth of a forming milling cutter, or stamping and forming are carried out on a punch by using a special die, the tooth milling processing is high in cost, strict in operation skill requirements on operators and low in production efficiency, in addition, tooth grooves are obtained in a material removing mode, the strength of the tooth grooves of the headrest rod is reduced, and fracture cracks are easy to generate.
Disclosure of Invention
Therefore, the embodiment of the invention provides a headrest rod tooth-shaped forming machine, which is used for solving the problem that in the prior art, the strength of a workpiece is reduced due to a processing mode of removing materials in a headrest rod clamping groove of an automobile seat.
In order to achieve the above object, the embodiment of the present invention provides the following technical solutions:
According to the first aspect of the embodiment of the invention, the tooth socket on the headrest rod of the automobile seat is processed by the tooth socket forming machine, the tooth socket comprises a base, a vertical lifting mechanism, a clamp seat, an upper die holder, two support plates and a variable frequency motor, wherein the two support plates are vertically fixed on the base, the two support plates are mutually parallel, the upper die holder is connected to the two support plates in a sliding mode, the variable frequency motor is fixed on one side of the ends of the two support plates in the length direction, the variable frequency motor drives the upper die holder to horizontally reciprocate on the two support plates through a crank connecting rod mechanism, a cutter row is arranged on the lower surface of the upper die holder, a plurality of hob are rotationally connected to the cutter row, the vertical lifting mechanism is arranged between the two support plates, the lower surface of the vertical lifting mechanism is connected with the base, the upper surface of the vertical lifting mechanism is connected with the clamp seat, the clamp seat is positioned below the cutter row, and the vertical lifting mechanism is used for driving the clamp seat to reciprocate in the vertical direction.
The vertical lifting mechanism comprises a first sliding block, a first sliding rail, a lower sliding seat, a second sliding rail, a second sliding block, an upper sliding seat, a fixed baffle, an electric push rod and an electric push rod seat, wherein the first sliding rails are mutually parallel and fixed on a machine base, the first sliding rails are respectively positioned between two supporting plates, the lower surface of the lower sliding seat is fixedly provided with the first sliding blocks and is in sliding connection with the first sliding rails through the first sliding blocks, the upper surface of the lower sliding seat is an inclined surface, the upper surface of the lower sliding seat is fixedly provided with the second sliding rails, the lower surface of the upper sliding seat is an inclined surface which is mutually parallel to the upper surface of the lower sliding seat, the lower surface of the upper sliding seat is fixedly provided with the second sliding blocks and is in sliding connection with the second sliding rails through the second sliding blocks, one side, which is close to one end of a variable frequency motor, of the upper sliding seat is vertically fixed on the machine base, one end, which is far away from the fixed baffle, of the lower sliding seat is in sliding connection with the end of the electric push rod, of the electric push rod seat, the motor end of the electric push rod is fixed on the electric push rod seat, the upper sliding seat is fixed on the upper surface of the electric push rod and the upper surface of the upper sliding seat is fixedly connected with the upper surface of the upper sliding seat.
The clamp seat comprises a clamp seat plate, a workpiece clamp and two clamping cylinders, wherein the lower surface of the clamp seat plate is fixedly connected with the upper surface of an upper sliding seat, the upper surface of the clamp seat plate is fixedly connected with a first mounting seat, a second mounting seat, a third mounting seat and a clamp baffle, the first mounting seat, the second mounting seat and the third mounting seat are L-shaped, the first mounting seat, the second mounting seat and the third mounting seat are sequentially arranged at intervals, one L-shaped end face of the first mounting seat, one L-shaped end face of the second mounting seat and one L-shaped end face of the third mounting seat are positioned on the same vertical face, the clamp baffle is arranged at intervals on one side of the vertical face, the workpiece clamp is arranged between the vertical face and the clamp baffle, the lower surface of the workpiece clamp is abutted to the clamp seat plate, the upper surface of the workpiece clamp is provided with a long semicircular groove, the length direction of the semicircular groove is perpendicular to the reciprocating direction of an upper die holder, the two clamping cylinders are respectively fixed to the first mounting seat, the second mounting seat and the third mounting seat, one L-shaped end face of each clamping cylinder respectively penetrates through a gap between the first mounting seat and the second mounting seat respectively, and the gap of the two clamping cylinders respectively abuts against the workpiece clamp.
The clamp seat further comprises a positioning cylinder, a cylinder seat, a positioning joint and a positioning block, wherein the cylinder body of the positioning cylinder is fixed on the clamp seat plate through the cylinder seat, the positioning joint is fixed at the push rod end of the positioning cylinder, the positioning block is fixed on the positioning joint and is of a strip-shaped structure, one vertical side face of the positioning block is inclined to the other vertical side face, one vertical side face of the positioning block is abutted to the push rod ends of the two clamping cylinders, and the other inclined vertical side face of the positioning block is abutted to the workpiece clamp.
Further, the two support plates are respectively provided with the feed inlets, the two feed inlets are opposite to each other, the extending directions of the two ends of the semicircular groove penetrate through the two feed inlets, and the cylinder body of the positioning cylinder penetrates through one feed inlet.
The upper die holder comprises an upper die base plate, a plurality of gaskets and a plurality of third sliding blocks, the number of the gaskets is the same as that of the third sliding blocks, the upper surfaces of the third sliding blocks are fixedly connected to the lower surface of the upper die base plate, one gasket is arranged between each third sliding block and the lower surface of the upper die base plate, and the third sliding blocks are equally divided into two groups and are respectively connected with the two supporting plates in a sliding mode.
The upper die base plate is characterized by further comprising two third sliding rails and two fourth sliding rails, wherein the third sliding rails are fixed on one side of the feed inlet in each supporting plate, the fourth sliding rails are fixed on the other side of the feed inlet in each supporting plate, and the third sliding rails and the fourth sliding rails are in sliding connection with the upper die base plate through third sliding blocks.
Further, the cutter comprises a cutter shaft, a plurality of hob grooves are formed in the cutter row at intervals, the hob grooves are respectively arranged in the hob grooves in a one-to-one correspondence mode, the hob is fixed on the cutter shaft, the cutter shaft is rotationally connected with the cutter row, and the axis of the cutter shaft is perpendicular to the reciprocating movement direction of the upper die base.
The crank connecting rod mechanism comprises an eccentric wheel and a transmission arm, wherein the eccentric wheel is fixed on an output shaft of the variable frequency motor, an eccentric protrusion is arranged at the eccentric position of the center of the eccentric wheel, the eccentric protrusion is rotationally connected with one end of the transmission arm, and the other end of the transmission arm is rotationally connected with the lower surface of the upper die holder.
Further, the device also comprises a workpiece positioning accessory and a motor cover; one end of the workpiece positioning accessory is fixed on the side wall of the supporting plate, the other end of the workpiece positioning accessory is bent and extends to the upper part of the upper surface of the upper die holder, and the motor cover is sleeved on the output shaft of the variable frequency motor and the outer periphery side of the crank connecting rod mechanism.
The invention has the advantages that the tooth-shaped groove is obtained by adopting the roller extrusion molding mode, the mechanical strength of the headrest rod is obviously enhanced by adopting the processing mode without removing materials, the diameter of the headrest rod is ensured not to be deformed easily by adopting the unique clamp seat design, the machine maintenance cost is low, the operation is simple, in addition, the cooling liquid is not needed in the processing process, the harm to human bodies and the pollution to the environment are reduced, the product can be processed by adopting the simple clamp debugging without a die, the enterprise cost and the machine development time are greatly reduced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It will be apparent to those of ordinary skill in the art that the drawings in the following description are exemplary only and that other implementations can be obtained from the extensions of the drawings provided without inventive effort.
The structures, proportions, sizes, etc. shown in the present specification are shown only for the purposes of illustration and description, and are not intended to limit the scope of the invention, which is defined by the claims, so that any structural modifications, changes in proportions, or adjustments of sizes, which do not affect the efficacy or the achievement of the present invention, should fall within the ambit of the technical disclosure.
Fig. 1 is an overall structure diagram of a headrest rod tooth form molding machine according to some embodiments of the present invention.
Fig. 2 is an exploded view of the overall structure of a headrest rod tooth form molding machine according to some embodiments of the present invention.
Fig. 3 is a block diagram of a workpiece to be processed of a headrest rod tooth profile molding machine according to some embodiments of the present invention.
Fig. 4 is a block diagram showing a headrest rod tooth profile forming machine according to some embodiments of the present invention, with a machined baffle removed.
Fig. 5 is a front view of a headrest rod tooth form molding machine provided in fig. 4.
Fig. 6 is a top view of a headrest rod tooth form molding machine provided in fig. 4.
Fig. 7 is a block diagram showing a headrest pole tooth form molding machine according to some embodiments of the present invention, with an upper die holder and a clamp holder removed.
Fig. 8 is a front view of a headrest rod tooth form molding machine provided in fig. 7.
Fig. 9 is a top view of a headrest rod tooth form molding machine provided in fig. 7.
Fig. 10 is a block diagram of an upper die holder of a headrest rod tooth form molding machine according to some embodiments of the present invention.
Fig. 11 is an exploded view of an upper die holder of the headrest rod tooth form molding machine provided in fig. 10.
Fig. 12 is a block diagram of a clamp seat of a headrest pole tooth form molding machine according to some embodiments of the present invention.
Fig. 13 is an exploded view of a clamp seat of the headrest rod tooth form molding machine provided in fig. 12.
In the figure, 1, a machine seat, 2, a cutter row, 3, a third sliding block, 4, a supporting plate, 5, an upper die holder plate, 6, a feed inlet, 7, a workpiece positioning accessory, 8, a third sliding rail, 9, a transmission arm, 10, a variable frequency motor, 11, an eccentric wheel, 12, a motor cover, 13, a positioning cylinder, 14, a fixed baffle, 15, an upper sliding seat, 16, a second sliding block, 17, a positioning block, 18, a workpiece clamp, 19, a positioning joint, 20, a clamping cylinder, 21, a clamp seat plate, 22, a cylinder seat, 23, a fourth sliding rail, 24, an electric push rod seat, 25, a first sliding rail, 26, a lower sliding seat, 27, an electric push rod, 28, a first sliding block, 29, a hob, 30, a cutter shaft, 31, a second sliding rail, 32, a gasket, 33, a semicircular groove, 34, a first mounting seat, 35, a second mounting seat, 36, a third mounting seat, 37, a clamp baffle, 38, a car seat rod, 39, a first tooth socket, 40 and a second tooth socket.
Detailed Description
Other advantages and advantages of the present invention will become apparent to those skilled in the art from the following detailed description, which, by way of illustration, is to be read in connection with certain specific embodiments, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1
As shown in fig. 1 and 2, a tooth form molding machine for headrest rods in the present embodiment is used for machining tooth grooves on headrest rods 38 of automobile seats, and comprises a machine base 1, a vertical lifting mechanism, a clamp base, an upper die base, two support plates 4 and a variable frequency motor 10; the machine base 1 can be internally provided with a PLC (programmable logic controller) or a singlechip, the PLC controls the vertical lifting mechanism and the variable frequency motor 10 to work, the adopted circuits are all mature control circuits in the prior art, the vertical lifting mechanism can be realized by adopting a simple cylinder, a hydraulic cylinder, an electric push rod or a nut screw pair driven by a motor, in addition, the vertical lifting mechanism designed in the subsequent embodiment of the invention can be adopted, the support plates 4 are metal flat plates, the two support plates 4 are vertically fixed on the machine base 1 through bolt connection, the two support plates 4 are parallel to each other, the upper die base is slidably connected on the two support plates 4, the sliding connection mode can be realized through a linear sliding rail, a sliding rail can also be arranged on the support plates 4, the lower surface of the upper die base is provided with a sliding groove, the variable frequency motor 10 is fixed on one side of the end part of the length direction of the two support plates 4, the variable frequency motor 10 drives the upper die base to horizontally reciprocate on the two support plates 4 through a crank connecting rod mechanism, and the horizontal reciprocating direction of the crank connecting rod mechanism is the same as the length direction of the support plates 4, and the crank connecting rod mechanism can also be realized in a combination mode of an eccentric 11 and a plurality of connecting rods; the lower surface of the upper die holder is provided with a cutter row 2, a plurality of hob 29 are rotationally connected on the cutter row 2, the hob 29 is in a revolving body structure, the outline of the hob 29 is determined according to the section shape of a tooth slot required by a headrest rod 38 of the automobile seat to be processed, a vertical lifting mechanism is arranged between two support plates 4, the lower surface of the vertical lifting mechanism is connected with the machine base 1, the upper surface of the vertical lifting mechanism is connected with the clamp seat, the clamp seat is positioned below the cutter row 2, the vertical lifting mechanism is used for driving the clamp seat to reciprocate in the vertical direction, the limit position of the upward movement of the clamp seat is positioned below the upper die base, and the gap between the limit position of the upward movement of the clamp seat and the hob 29 on the cutter row 2 is just the depth of the pipe diameter of a workpiece to be processed minus the tooth slot.
As shown in fig. 3, in a machined workpiece of a headrest rod tooth form forming machine in this embodiment, the headrest rod 38 of the car seat is formed by bending a steel pipe, a first tooth groove 39 and three second tooth grooves 40 are machined on the outer side wall of a straight-line section steel pipe of the headrest rod 38 of the car seat, the first tooth groove 39 is a groove with a rectangular section, the second tooth groove 40 is a groove with a quarter arc section, and correspondingly, in an alternative implementation, a hob 29 corresponding to the section shape of the first tooth groove 39 and three hob 29 corresponding to the section shape of the second tooth groove 40 are rotationally connected on the cutter bar 2.
The working process of the embodiment is that a workpiece is fixed on a fixture seat, a machine is started, a variable frequency motor 10 drives an upper die holder to reciprocate on two support plates 4, a vertical lifting mechanism drives the fixture seat to gradually move upwards, a cutter row 2 gradually presses the pipe wall of the workpiece along with the reciprocating motion of the upper die holder, and after the cutter row 2 passes through the repeated reciprocating motion of the upper die holder, a hob 29 repeatedly presses and rolls on the pipe wall of the workpiece, so that tooth grooves on a headrest rod 38 of an automobile seat are machined.
The technical effects that this embodiment reached are that through this embodiment, adopt gyro wheel extrusion's mode to obtain the tooth groove, owing to adopt the mode of processing that does not get rid of the material, headrest pole's mechanical strength is obvious strengthened, through unique anchor clamps seat design, guarantee headrest pole diameter non-deformable, machine maintenance is with low costs, and easy operation, and need not the coolant liquid in the course of working, reduced the injury to the human body and the pollution to the environment production, this embodiment need not the mould, can process the product through simple anchor clamps debugging, great reduction enterprise cost and machines development time.
Example 2
As shown in fig. 2, 7, 8 and 9, the headrest rod tooth profile molding machine of the present embodiment includes all the technical features of embodiment 1, except that the vertical lifting mechanism includes a first slider 28, a first slide rail 25, a lower slide carriage 26, a second slide rail 31, a second slider 16, an upper slide carriage 15, a fixed baffle 14, an electric push rod 27 and an electric push rod seat 24; wherein the first slide blocks 28 and the second slide blocks 16 are respectively provided with trapezoid grooves which are gradually increased inwards from the open ends, the first slide rails 25 and the second slide rails 31 are linear guide rails which are matched with the first slide blocks 25 and have a trapezoid cross section, the first slide rails 25 are mutually parallel and fixed on the machine base 1, the extending direction of the first slide rails 25 is the same as the length direction of the supporting plate 4, namely, the reciprocating direction of the upper die holder, the first slide rails 25 are positioned between the two supporting plates 4, the lower surface of the lower slide block 26 is fixedly provided with the first slide blocks 28 and are in sliding connection with the first slide rails 25 through the first slide blocks 28, for example, the first slide blocks 28 are four, two edges of the lower slide block 26 are respectively fixedly provided with the first slide blocks 28, each two first slide blocks 28 are in sliding connection with one first slide rail 25, the upper surface of the lower slide block 26 is an inclined surface, the upper surface of the lower slide block 26 is fixedly provided with the second slide rails 31, the lower surface of the upper slide block 15 is a plurality of inclined surfaces parallel to the upper surface of the lower slide block 26, the upper surface of the upper slide block 15 is fixedly provided with the second slide blocks 16 through the second slide blocks 16, the second slide blocks 16 are respectively connected with the second slide blocks 16 through the second slide blocks 31, the second slide blocks 16 are respectively arranged on the second slide blocks 16 are in sliding connection with the second slide blocks 16, the two second sliding blocks 16 are slidably connected with one of the second sliding rails 31, a fixed baffle 14 is arranged on one side, close to one end of the variable frequency motor 10, of the upper sliding seat 15 in the reciprocating direction, the fixed baffle 14 is vertically fixed on the machine base 1, the upper sliding seat 15 is slidably connected with the vertical surface of the fixed baffle 14, the inclined direction of the inclined surface on the lower sliding seat 26 is gradually lowered towards the direction of the fixed baffle 14 through the matching mode of the sliding rails and the sliding blocks, one end, far away from the fixed baffle 14, of the lower sliding seat 26 in the reciprocating direction is connected with the push rod end of the electric push rod 27, the motor end of the electric push rod 27 is fixed on the electric push rod seat 24, the electric push rod seat 24 is fixed on the machine base 1, and the upper surface of the upper sliding seat 15 is fixedly connected with the lower surface of the clamp seat.
The working process of the embodiment is that the machine is started, the upper die holder continuously carries out horizontal reciprocating motion under the drive of the variable frequency motor 10, the lower slide seat 26 carries out reciprocating motion under the drive of the electric push rod 27, and along with the reciprocating motion of the lower slide seat 26, the upper slide seat 15 is limited by the fixed baffle plate 14, so that the upper slide seat 15 reciprocates in the vertical direction, and further the extrusion processing is carried out on the position of the hob 29 for gradually pushing a workpiece onto the upper die holder.
The embodiment has the beneficial effects that the mode that the lower slide seat 26 is adopted to push the upper slide seat 15 to move up and down is adopted, so that the up and down moving precision is higher, the gradual extrusion molding of the processed tooth grooves can be ensured, the increase of the rejection rate caused by the sudden excessive displacement of the clamp seat is reduced, the uniform increase of the extrusion force in the tooth groove processing process is ensured, the processing molding effect is good, the reciprocating movement of the lower slide seat 26 is controlled by the electric push rod 27, the driving is stable and quick, and the structure is simple.
Example 3
As shown in fig. 2, 4,5, 6, 12 and 13, the headrest rod tooth profile molding machine of the present embodiment includes all the technical features of embodiment 2, except that the jig base includes a jig base plate 21, a work jig 18 and two clamping cylinders 20; the lower surface of the clamp seat plate 21 is fixedly connected with the upper surface of the upper slide seat 15, the upper surface of the clamp seat plate 21 is fixedly connected with a first mounting seat 34, a second mounting seat 35, a third mounting seat 36 and a clamp baffle 37, the first mounting seat 34, the second mounting seat 35 and the third mounting seat 36 are all L-shaped, the first mounting seat 34, the second mounting seat 35 and the third mounting seat 36 are sequentially arranged at intervals, one L-shaped end surface of the first mounting seat 34, one L-shaped end surface of the second mounting seat 35 and one L-shaped end surface of the third mounting seat 36 are positioned on the same vertical surface, the clamp baffle 37 is arranged at intervals on one side of the vertical surface, a workpiece clamp 18 is arranged between the vertical surface and the clamp baffle 37, wherein the workpiece clamp 18 is made of an elastic material, the lower surface of the workpiece clamp 18 is abutted against the clamp seat plate 21, the upper surface of the workpiece clamp 18 is provided with a long semicircular groove 33, the length direction of the semicircular groove 33 is mutually perpendicular to the reciprocating direction of the upper die seat, when the workblank of the automobile headrest rod 38 is in operation, then the workblank section of the automobile headrest rod 38 is placed into the semicircular groove 33, the workblank is clamped by the workblank 20 and then clamped by the workblank 20 and the workblank 20 is clamped by the workblank 35 and the second mounting seat 35, the workblank 35 is clamped by the workblank 35 and the workblank 35, the workblank 35 is clamped by the workblank 35 and the workblank 35, and the workblank is arranged by the workblank, and the workblank is mounted by the workblank, and the workblank is arranged, the clamping cylinder 20 is a hydraulic cylinder and is used for power supply through a hydraulic pump, the clamp seat further comprises a positioning cylinder 13, a cylinder seat 22, a positioning joint 19 and a positioning block 17, the cylinder body of the positioning cylinder 13 is fixed on the clamp seat plate 21 through the cylinder seat 22, the positioning cylinder 13 is a cylinder and is used for power supply through an air pump, the positioning joint 19 is fixed at the push rod end of the positioning cylinder 13, the positioning joint 19 is of a U-shaped structure or a Y-shaped joint, the positioning block 17 is fixed at the open end of the positioning joint 19, the positioning block 17 is of a strip-shaped structure, one vertical side face of the positioning block 17 is inclined to the other vertical side face, one vertical side face of the positioning block 17 is abutted to the push rod ends of the two clamping cylinders 20, and the other inclined vertical side face of the positioning block 17 is abutted to the workpiece clamp 18.
The clamping cylinder 20 is arranged, hydraulic power is adopted, the clamping effect is good, the positioning block 17 driven by the air cylinder is used, the positioning is rapid and accurate, the workpiece clamp 18 can be clamped step by arranging the positioning block 17 into a wedge-shaped structure with one vertical surface inclined with the other vertical surface, the clamping force of the workpiece clamp 18 can be adjusted, the adaptability is wider, and the bending deformation of the workpiece is reduced.
Example 4
As shown in fig. 1 and 2, the headrest rod tooth profile forming machine in this embodiment includes all the technical features of embodiment 3, in addition to that, two support plates 4 are respectively provided with a feed port 6, where the feed port 6 is a rectangular groove with an open upper end, the two feed ports 6 are arranged opposite to each other, the extending directions of two ends of a semicircular groove 33 pass through the two feed ports 6, and the cylinder body of a positioning cylinder 13 passes through one feed port 6; as shown in fig. 10 and 11, the upper die holder comprises an upper die holder plate 5, a plurality of gaskets 32 and a plurality of third sliding blocks 3, wherein a trapezoid groove with an opening end gradually increasing inwards is formed in the third sliding blocks 3, the upper die holder plate 5 is formed by cutting a rectangular steel plate, a cutter bar 2 is fixed on the lower surface of the upper die holder plate 5 in a bolt connection mode, the number of the gaskets 32 is the same as that of the third sliding blocks 3, the upper surfaces of the plurality of third sliding blocks 3 are fixedly connected on the lower surface of the upper die holder plate 5, one gasket 32 is arranged between each third sliding block 3 and the lower surface of the upper die holder plate 5, the plurality of third sliding blocks 3 are divided into two groups and are respectively connected with two support plates 4 in a sliding mode, two third sliding rails 8 and two fourth sliding rails 23 are further included, one side of a feed port 6 on each support plate 4 is fixedly provided with a third sliding rail 8, the other side of the feed port 6 on each support plate 4 is fixedly provided with a fourth sliding rail 23, the third sliding rail 8 and the fourth sliding rail 23 are respectively connected with the upper die holder plate 5 in a sliding mode through the third sliding blocks 3, for example, the upper sliding blocks 3 are respectively connected with the edges of the third sliding blocks 3 and the upper die holder plate 5 through the third sliding blocks 3 and the fourth sliding rails 23 respectively, the third slide rail 8 and the fourth slide rail 23 are both guide rails with trapezoidal cross sections.
The upper die base plate 5 has the beneficial effects that the buffer performance of fixing the third sliding blocks 3 on the upper die base plate 5 is enhanced by arranging the gaskets 32, the damage of the upper die base plate 5 caused by hard extrusion is reduced, and the upper die base plate 5 moves more stably by arranging the sliding connection mode of a plurality of the third sliding blocks 3.
Example 5
In addition to all the technical features of the embodiment 4, the headrest rod tooth form forming machine in the embodiment shown in fig. 2 further comprises a cutter shaft 30, wherein the cutter shaft 30 is a circular shaft, a plurality of hob grooves are formed in the cutter row 2 at intervals, a plurality of hob 29 are respectively arranged in the hob grooves in a one-to-one correspondence mode, the hob 29 are fixed on the cutter shaft 30, the cutter shaft 30 is rotationally connected with the cutter row 2, the axis of the cutter shaft 30 is perpendicular to the reciprocating direction of the upper die holder, the crank connecting rod mechanism comprises an eccentric wheel 11 and a transmission arm 9, the eccentric wheel 11 is fixed on an output shaft of the variable frequency motor 10, an eccentric bulge is arranged in the eccentric position of the center of the eccentric wheel 11, the eccentric bulge is rotationally connected with one end of the transmission arm 9, the other end of the transmission arm 9 is rotationally connected with the lower surface of the upper die holder, as shown in fig. 4, one end of the workpiece positioning accessory 7 is fixed on the side wall of the support plate 4, the other end of the workpiece positioning accessory 7 is bent and extends to the upper surface of the upper die holder, the motor cover 12 is used for preventing a machining phenomenon of a tooth space of the seat rod 38 caused by shaking of the automobile during extrusion machining, and the variable frequency motor output shaft is arranged on the outer side of the variable frequency motor 10 and the crank connecting rod mechanism is rotationally connected with one end of the variable frequency cover.
The cutter shaft 30 is used for connecting the hob 29, so that the consistency of the tooth slot depths is better, the workpiece positioning accessory 7 is arranged, the shaking of a blank of the unprocessed headrest rod 38 of the automobile seat in the processing process is reduced, the safety of the machine in operation is improved, and the occurrence of dangerous situations to personnel is reduced.
While the invention has been described in detail in the foregoing general description and specific examples, it will be apparent to those skilled in the art that modifications and improvements can be made thereto. Accordingly, such modifications or improvements may be made without departing from the spirit of the invention and are intended to be within the scope of the invention as claimed.
The terms such as "upper", "lower", "left", "right", "middle" and the like are also used in the present specification for convenience of description, but are not intended to limit the scope of the present invention, and the changes or modifications of the relative relationship thereof are considered to be within the scope of the present invention without substantial modification of the technical content.
Claims (7)
1. The tooth socket on the headrest rod of the automobile seat is processed by the tooth socket forming machine, which is characterized by comprising a base (1), a vertical lifting mechanism, a clamp seat, an upper die holder, two supporting plates (4) and a variable frequency motor (10), wherein the two supporting plates (4) are vertically fixed on the base (1), the two supporting plates (4) are parallel to each other, the upper die holder is slidably connected on the two supporting plates (4), the variable frequency motor (10) is fixed on one side of the end parts of the two supporting plates (4) in the length direction, the variable frequency motor (10) drives the upper die holder to horizontally reciprocate on the two supporting plates (4) through a crank connecting rod mechanism, the lower surface of the upper die holder is provided with a cutter row (2), a plurality of hob (29) are rotationally connected on the cutter row (2), the vertical lifting mechanism is arranged between the two supporting plates (4), the lower surface of the vertical lifting mechanism is connected with the base (1), the upper surface of the vertical lifting mechanism is connected with the clamp seat, and the upper surface of the vertical lifting mechanism is positioned on the clamp seat to vertically reciprocate on the cutter row (2);
The vertical lifting mechanism comprises a first sliding block (28), a first sliding rail (25), a lower sliding block (26), a second sliding rail (31), a second sliding block (16), an upper sliding block (15), a fixed baffle (14), an electric push rod (27) and an electric push rod seat (24), wherein the first sliding blocks (25) are mutually fixed on the base (1) in parallel, the first sliding rails (25) are respectively positioned between the two supporting plates (4), the first sliding blocks (28) are fixedly arranged on the lower surface of the lower sliding block (26) and are in sliding connection with the first sliding blocks (25) through the first sliding blocks (28), the upper surface of the lower sliding block (26) is an inclined surface, the second sliding rail (31) is fixedly arranged on the upper surface of the lower sliding block (26), the lower surface of the upper sliding block (15) is an inclined surface mutually parallel to the upper surface of the lower sliding block (26), the second sliding block (16) is fixedly arranged on the lower surface of the upper sliding block (15) and is fixedly connected with one side of the upper sliding block (14) in the vertical direction, the upper sliding block (14) is fixedly arranged on the upper sliding block (14), the upper sliding seat (15) is in sliding connection with the vertical surface of the fixed baffle (14), one end, far away from the fixed baffle (14), of the lower sliding seat (26) in the reciprocating direction is connected with the push rod end of the electric push rod (27), the motor end of the electric push rod (27) is fixed on the electric push rod seat (24), and the electric push rod seat (24) is fixed on the machine seat (1);
The clamp seat comprises a clamp seat plate (21), a workpiece clamp (18) and two clamping cylinders (20), wherein the lower surface of the clamp seat plate (21) is fixedly connected with the upper surface of the upper sliding seat (15), a first mounting seat (34), a second mounting seat (35) and a third mounting seat (36) and a clamp baffle plate (37) are fixedly connected with the upper surface of the clamp seat plate (21), the first mounting seat (34), the second mounting seat (35) and the third mounting seat (36) are L-shaped, the first mounting seat (34), the second mounting seat (35) and the third mounting seat (36) are sequentially arranged at intervals, one L-shaped end face of the first mounting seat (34), the second mounting seat (35) and one L-shaped end face of the third mounting seat (36) are positioned on the same vertical face, the clamp baffle plate (37) is arranged on one side of the vertical face at intervals, the vertical face and the clamp baffle plate (37) are arranged between the first mounting seat (34), the workpiece clamp (18) is made of a strip-shaped material, the workpiece clamp (18) is formed by abutting the strip-shaped surface of the workpiece clamp (18), the two clamping cylinders (20) are respectively fixed on the first mounting seat (34) and the second mounting seat (35) and the third mounting seat (36), and push rod ends of the two clamping cylinders (20) respectively pass through a gap between the first mounting seat (34) and the second mounting seat (35) and a gap between the second mounting seat (35) and the third mounting seat (36) and then are abutted on the workpiece clamp (18);
The clamp seat further comprises a positioning cylinder (13), a cylinder seat (22), a positioning joint (19) and a positioning block (17), wherein a cylinder body of the positioning cylinder (13) is fixed on the clamp seat plate (21) through the cylinder seat (22), the positioning joint (19) is fixed at the push rod end of the positioning cylinder (13), the positioning block (17) is fixed on the positioning joint (19), the positioning block (17) is of a strip-shaped structure, one vertical side face of the positioning block (17) is inclined to the other vertical side face, one vertical side face of the positioning block (17) is abutted to the push rod ends of the two clamping cylinders (20), and the other inclined vertical side face of the positioning block (17) is abutted to the workpiece clamp (18).
2. The headrest rod tooth profile molding machine according to claim 1, wherein two support plates (4) are respectively provided with a feed inlet (6), the two feed inlets (6) are arranged opposite to each other, the extending directions of the two ends of the semicircular groove (33) penetrate through the two feed inlets (6), and the cylinder body of the positioning cylinder (13) penetrates through one feed inlet (6).
3. The headrest rod tooth form forming machine according to claim 2, wherein the upper die holder comprises an upper die holder plate (5), a plurality of gaskets (32) and a plurality of third sliding blocks (3), the number of the gaskets (32) is the same as that of the third sliding blocks (3), the upper surfaces of the third sliding blocks (3) are fixedly connected to the lower surface of the upper die holder plate (5), one gasket (32) is arranged between each third sliding block (3) and the lower surface of the upper die holder plate (5), and the third sliding blocks (3) are equally divided into two groups and are respectively connected with the two support plates (4) in a sliding mode.
4. The headrest rod tooth profile molding machine according to claim 3, further comprising two third sliding rails (8) and two fourth sliding rails (23), wherein one side of the feed port (6) on each supporting plate (4) is fixed with the third sliding rails (8), the other side of the feed port (6) on each supporting plate (4) is fixed with the fourth sliding rails (23), and the third sliding rails (8) and the fourth sliding rails (23) are in sliding connection with the upper die holder plate (5) through the third sliding blocks (3).
5. The headrest rod tooth form forming machine according to claim 1, further comprising a cutter shaft (30), wherein a plurality of hob grooves are arranged on the cutter row (2) at intervals, a plurality of hob (29) are respectively arranged in the hob grooves in a one-to-one correspondence mode, the hob (29) are fixed on the cutter shaft (30), the cutter shaft (30) is rotationally connected with the cutter row (2), and the axis of the cutter shaft (30) is perpendicular to the reciprocating movement direction of the upper die holder.
6. The headrest rod tooth form forming machine according to claim 1, wherein the crank connecting rod mechanism comprises an eccentric wheel (11) and a transmission arm (9), the eccentric wheel (11) is fixed on an output shaft of the variable frequency motor (10), an eccentric protrusion is arranged at an eccentric position of the center of the eccentric wheel (11), the eccentric protrusion is rotatably connected with one end of the transmission arm (9), and the other end of the transmission arm (9) is rotatably connected with the lower surface of the upper die holder.
7. The headrest rod tooth form forming machine according to claim 1, further comprising a workpiece positioning accessory (7) and a motor cover (12), wherein one end of the workpiece positioning accessory (7) is fixed on the side wall of the supporting plate (4), the other end of the workpiece positioning accessory (7) is bent and extends to the upper surface of the upper die holder, and the motor cover (12) is sleeved on the output shaft of the variable frequency motor (10) and the outer periphery side of the crank connecting rod mechanism.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910641711.XA CN110252836B (en) | 2019-07-16 | 2019-07-16 | Headrest rod tooth forming machine |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910641711.XA CN110252836B (en) | 2019-07-16 | 2019-07-16 | Headrest rod tooth forming machine |
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| CN110252836B true CN110252836B (en) | 2024-12-27 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110899356A (en) * | 2019-12-05 | 2020-03-24 | 无锡科技职业学院 | Headrest rod lock catch type groove machining device and machining method thereof |
| CN112404320B (en) * | 2020-11-02 | 2024-12-06 | 黄永红 | A double-sided tooth forming machine for car seat headrest rod |
| CN113458276A (en) * | 2021-07-22 | 2021-10-01 | 黄永红 | Double-sided tooth socket forming machine for inner teeth and outer teeth of headrest support rod of automobile seat |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102267409A (en) * | 2010-06-07 | 2011-12-07 | 吕德苓 | Seat headrest rod and manufacturing process thereof |
| CN105234499A (en) * | 2015-11-16 | 2016-01-13 | 重庆豪斯特汽车零部件有限公司 | Gear hobbing machine for headrest rod of car seat |
| CN210188074U (en) * | 2019-07-16 | 2020-03-27 | 黄永红 | Headrest rod tooth profile forming machine |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101380925B1 (en) * | 2012-09-28 | 2014-04-04 | 에스에프앤티 주식회사 | Groove forming device and forming method of stay lod for headrest |
| CN104668370A (en) * | 2015-03-10 | 2015-06-03 | 柳州双英汽车配件制造有限公司 | Mold for forming headrest rod limiting groove |
| CN208977350U (en) * | 2018-09-19 | 2019-06-14 | 北京星光俊海汽车配件有限公司 | Head rest pole groove milling equipment |
| CN109201888B (en) * | 2018-09-30 | 2020-10-16 | 重庆君卓机械有限公司 | Gear extruding machine for headrest rod of automobile seat |
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2019
- 2019-07-16 CN CN201910641711.XA patent/CN110252836B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102267409A (en) * | 2010-06-07 | 2011-12-07 | 吕德苓 | Seat headrest rod and manufacturing process thereof |
| CN105234499A (en) * | 2015-11-16 | 2016-01-13 | 重庆豪斯特汽车零部件有限公司 | Gear hobbing machine for headrest rod of car seat |
| CN210188074U (en) * | 2019-07-16 | 2020-03-27 | 黄永红 | Headrest rod tooth profile forming machine |
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