TW201714699A - Extruding machine and center finding device thereof - Google Patents

Abstract

The invention provides an extruding machine and a center finding device thereof. The extruding machine includes a base, a mold holder, a forming mold, a clamping seat and two cylinders, wherein a center finding device is mounted onto the clamping device and linearly corresponds to an inlet defined in the clamping device. The center finding device includes a first side guiding set, second side guiding set and a central drive gear. The first side guiding set and the second side guiding set respectively have a shelf, a roller and a rack. At least one of the first side guiding set and the second side guiding set has a drive cylinder secured on the shelf and the central drive gear engaged to the rack of each of the first side guiding set and the second side guiding set. A tunnel is defined between the two rollers of the first side guiding set and the second side guiding set. Consequently, the work piece can be guided to a center of the mold for promote the accuracy of the finished goods from the extruding machine.

Description

Profile forming machine and its center position device

The present invention relates to a processing and molding machine; and more particularly to an inventor of a profile forming machine and an innovative structural type of the centering device.

According to the profile of a long strip of metal strip having the same cross-sectional structure, the draw forming machine is one of the relatively common processing methods with high molding efficiency.

The drawing molding machine is designed to be mainly provided with a clamping seat and a mold base spaced apart on a machine table, wherein the clamping seat can be driven to displace the workpiece, and the workpiece passes through the mold base. The predetermined cross-sectional shape can be formed by the mold provided by the mold base.

However, it is found that the structure of the conventional drawing machine has some problems and shortcomings in the practical application experience; for example, the workpiece to be drawn and formed is usually in the shape of a long strip, and the front end is provided with a reduced diameter. a section for holding the clamping seat to pull the workpiece forward displacement by the clamping seat; however, since the inside of the clamping seat is usually a tapered forced block configured by a pair of spacing Relatively clamping the reduced diameter section of the workpiece, but when the angle of the reduced diameter section of the clamping workpiece extends into the holder, the tapered block is still directly clamped at the deviation angle The action of holding and pulling, as a result, the drawing of the workpiece is bound to cause the problem that the finished product error value is too large and the processing quality does not meet the requirements of the industry due to the deviation of the pulling point from the central positive axis.

Therefore, in view of the problems existing in the above-mentioned conventional technologies, how to develop an innovative structure that can be more ideal and practical, and it is necessary for the relevant industry to think about the goals and directions of breakthrough.

In view of this, the inventor has been engaged in the manufacturing development and design experience of related products for many years. After detailed design and careful evaluation, the inventor has finally obtained the practical invention.

The main object of the present invention is to provide a profile forming machine and a center ortho-position device thereof, and the technical problem to be solved is to aim at how to develop a structural profile of a new profile forming machine which is more ideal and practical. Think about innovation breakthroughs.

The technical feature of the present invention is mainly that the profile forming machine comprises: a steel structure machine having a surface; a mold fixing seat fixed on the surface; a molding die fixed on the mold fixing seat; The molding die is provided for passing through a workpiece and forming a shape; the two hydraulic cylinders are respectively disposed at two sides of the mold fixing seat at the same side, each hydraulic cylinder comprises a cylinder body and a piston rod; The table surface of the steel structure machine is disposed at a position opposite to the molding die, and the clamping seat is provided with an introduction port and a clamping member disposed inside the introduction port, and the introduction port is opposite to the forming opening of the workpiece of the molding die. , the front end of the workpiece is inserted into the position of the clamping member, and the seat is clamped and connected to the piston rod of the two hydraulic cylinder; a central positive position device is installed outside the introduction port of the clamping seat, and comprises a horizontal a first side positive position guiding group, a second side positive position guiding group and at least one intermediate linking gear disposed in a paired manner, wherein the first and second side positive position guiding groups are respectively provided with a movable frame and a movable frame The workpiece abuts the wheel and at least one tooth row, and the first and the second The movable frame of at least one of the side positive position guiding groups is connected with a telescopic driving cylinder, wherein the telescopic driving cylinder is used for driving the movable frame, the workpiece abutting wheel is disposed on one side of the movable frame, and the tooth row is connected at one end to the movable frame. And the tooth surfaces of the first and second side positive position guiding groups are spaced apart from each other so that the intermediate linking gears are disposed in a fixed point configuration between the two tooth rows; Further, the first and second side positive position guiding groups are disposed in a space relative to each other to form a workpiece insertion space, and the workpiece insertion space is opposite to the introduction opening of the holder. .

The main effect and advantage of the present invention is that the positioning of the center position device can guide the workpiece to the center position, thereby ensuring the positive position accuracy of the front end of the workpiece being clamped and pulled. Significantly improve the practical advancement of the quality of the profile forming machine and the better industrial utilization.

Please refer to Figures 1, 2, 3 and 4, which are preferred embodiments of the profile forming machine of the present invention and its central ortho-position device, but these embodiments are for illustrative purposes only and are not applicable to patent applications. The structure of the profile forming machine A includes the following structure: a steel machine table 10 having a table 11; a mold holder 20 fixed to the table 11 of the steel machine table 10; The molding die 30 is fixed to the mold holder 20, and the molding die 30 is configured to pass through a workpiece 40 to form a shape. The two hydraulic cylinders 50 are disposed at two sides of the same side of the mold holder 20. Each of the hydraulic cylinders 50 includes a cylinder 51 axially mounted on the mold holder 20 and a piston rod 52 that reciprocates axially relative to the cylinder 51; a clamping seat 60 is fixed. On the table top 11 of the steel machine platform 10 and in a spaced relationship with the molding die 30, the holder 60 is provided with an introduction port 61 and a clamping member 62 disposed inside the introduction port 61, and the introduction The port 61 is spaced apart from the workpiece forming opening 31 of the molding die 30 for the front end of the workpiece 40 to be inserted into the holder. At the position of the member 62, the holder 60 is connected to the piston rod 52 of the two hydraulic cylinder 50; a central positioning device 70 is disposed outside the introduction port 61 of the holder 60, and the center positioning device 70 a first side positive position guide group 71, a second side positive position guide group 72, and at least one intermediate linkage gear 73, which are disposed in a paired manner in a lateral direction, the first side positive position guide group 71, The two side positive position guiding groups 72 are respectively provided with a movable frame 75, a workpiece abutting wheel 76 and at least one tooth row 77, and the first side positive position guiding group 71 and the second side positive position guiding group 72 are at least One of the movable frames 75 is provided with a telescopic driving cylinder 74. (Note: the movable frame 75 of the first and second side positive guiding groups 71 and 72 in this example are each provided with a telescopic driving cylinder 74) The telescopic drive cylinder 74 is configured to drive the movable frame 75. The workpiece abutment wheel 76 is disposed on one side of the movable frame 75, and the tooth row 77 is connected to the movable frame 75 by one end connection, and wherein the first side is in the right position. The tooth row 77 provided by the guiding group 71 and the tooth row 77 provided by the second side positive position guiding group 72 are arranged in a spaced relationship with each other so that the intermediate interlocking gear 73 is fixed. The configuration type (Note: in this example, the intermediate interlocking gear 73 is screwed on the structure of the clamping seat 60, as shown in FIG. 3) is disposed on the tooth row 77 and the second of the first side positive guiding group 71. The tooth row 77 is disposed in the meshing transmission state between the tooth rows 77 of the side positive position guiding group 72; and the workpiece abutting wheel 76 and the workpiece set by the second side positive position guiding group 72 are disposed on the first side positive position guiding group 71. The abutment wheels 76 are arranged in a spaced relationship with each other to form a workpiece insertion space 78, and the workpiece insertion space 78 is opposed to the introduction port 61 provided in the holder 60.

With the above structural composition and technical features, the actual operation of the preferred embodiment of the profile forming machine A of the present invention is as shown in FIG. 5, and the workpiece 40 to be drawn and drawn is passed through the mold. The fixing base 20 and the molding die 30 are then passed through the workpiece insertion space 78 provided by the center positioning device 70, and finally inserted into the position of the clamping member 62 in the introduction opening 61 of the holder 60, at the clamping member. Before the clamping operation has been performed, the center positional device 70 must be activated to perform the center positive position. This portion is shown in Figures 5 and 6, and the first side positive position guiding group 71 and the first The telescoping drive cylinders 74 of the two-sided positive pilot group 72 operate to drive their respective movable frames 75 to be relatively displaced (as indicated by arrow L1) and are engaged by the tooth row 77 and the intermediate interlocking gear 73. The relationship is such that the first side positive position guide group 71 and the workpiece abutment wheel 76 provided by the second side positive position guide group 72 are disposed toward the center of the workpiece insertion space 78 (as indicated by the arrow L2) The position of the line is synchronously and accurately displaced relative to guide the workpiece 40 to the center position; thereby When the holding member 62 holding the retainer 60 pulls the rear clamp the workpiece 40, to obtain the most accurate without departing from the central axis of the pulled state, to achieve the best quality of drawing molding.

As shown in FIG. 4, the tooth row 77 provided in the first side positive position guiding group 71 and the second side positive position guiding group 72 can be two types of the upper and lower positions of the movable frame 75. The intermediate interlocking gear 73 is matched into two types of positions respectively disposed above and below the workpiece insertion space 78; this is a preferred embodiment, but is not limited thereto.

Advantages of the Invention: The "profile forming machine and its center position device" disclosed by the present invention mainly comprises the steel structure machine, the mold fixing seat, the molding die, the hydraulic cylinder, the clamping seat, and the center straight position The innovative unique structural form and technical features of the device and the like enable the present invention to guide the workpiece to the center by the setting of the central ortho position device according to the conventional structure proposed in the prior art. In the positive position, the positive position accuracy of the front end of the workpiece can be ensured, and the practical advancement of the quality of the profile forming machine and the better industrial utilization efficiency can be greatly improved.

The above embodiments are intended to be illustrative of the present invention, and are not intended to limit the scope of the present invention, as those skilled in the art can understand the spirit of the present invention. The principles are changed and modified to achieve an equivalent purpose, and such changes and modifications are to be included in the scope defined by the scope of the patent application as described later.

A‧‧‧Profile Forming Machine 10‧‧‧Steel Machine Table 11‧‧‧ Countertop 20‧‧‧Mold Fixture 30‧‧‧Molding Mold 40‧‧‧Processing Parts 50‧‧‧Hydraulic Cylinder 51‧‧‧ Cylinder block 52‧‧‧Piston rod 60‧‧‧Clamping seat 61‧‧‧Inlet port 62‧‧‧Clamping member 70‧‧‧Center position device 71‧‧‧First side ortho-position group 72‧ ‧‧Second Side Orthodox Guide Group 73‧‧‧Intermediate Linkage Gear 74‧‧‧ Telescopic Drive Cylinder 75‧‧‧Moving Frame 76‧‧‧Working Object Abutment Wheel 77‧‧‧Tooth Row 78‧‧‧Workpiece Wear Space

BRIEF DESCRIPTION OF THE DRAWINGS Figure 1 is a perspective view showing a combination of preferred embodiments of the profile forming machine of the present invention. Fig. 2 is an enlarged view of a portion B of Fig. 1. Figure 3 is a plan elevational view of the center positive position device of the present invention. Fig. 4 is a perspective view showing the disassembled state of the center position device and the holder inlet of the present invention. Fig. 5 is a plan view showing a part of the profile molding machine of the present invention (note: a partial cross-sectional view). Fig. 6 is a schematic view showing the state in which the workpiece of the centering device of the present invention is placed against the wheel to guide the workpiece to the center position.

11‧‧‧ countertop

51‧‧‧Cylinder block

60‧‧‧Clamping seat

61‧‧‧Import

70‧‧‧central position device

71‧‧‧First side ortho-guide group

72‧‧‧Second lateral orthopedic steering group

73‧‧‧Intermediate linkage gear

74‧‧‧ Telescopic drive cylinder

75‧‧‧ movable frame

76‧‧‧ workpiece abutment wheel

77‧‧‧ teeth row

78‧‧‧Working space

Claims (4)

A profile forming machine comprises: a steel structure machine having a surface; a mold fixing seat fixed on the surface of the steel structure machine; a molding die fixed on the mold fixing seat, the molding die is for a workpiece is passed through and shaped to form a shape; two hydraulic cylinders are disposed at two sides of the same side of the mold holder, each of the hydraulic cylinders including a cylinder axially mounted on the mold holder and a piston rod that reciprocates axially relative to the cylinder; a clamping seat is fixed on the surface of the steel machine platform and is spaced apart from the molding die, and the clamping seat is provided with an inlet And a clamping member disposed inside the introduction port, and the introduction port is spaced apart from the workpiece forming opening of the molding die, so that the front end of the workpiece penetrates to the position of the clamping member, and the clamping seat And connected to the piston rod of the two hydraulic cylinder; a central orthographic device is disposed outside the introduction port of the clamping seat, and the central orthographic device includes a first side positive position guiding in a laterally disposed pair Group, a second side positive position guide group and at least one The first side positive position guide group and the second side positive position guide group are respectively provided with a movable frame, a workpiece abutting wheel and at least one tooth row, and the first side positive position guiding group, The movable frame of at least one of the second side positive position guiding group is connected with a telescopic driving cylinder, wherein the telescopic driving cylinder is used for driving the movable frame, the workpiece abutting wheel is disposed on one side of the movable frame, and the tooth row is One end is connected and positioned on the movable frame, and wherein the tooth row of the first side positive position guiding group and the tooth row of the second side positive position guiding group are in a relative relationship with each other to make the middle The interlocking gear train is disposed in a fixed-point configuration mode between the tooth row of the first side positive-position guide group and the tooth row of the second-side positive-position guide group; and the first side is positioned The workpiece abutment wheel and the workpiece abutment wheel provided by the second side positive position guide group are spaced apart from each other to form a workpiece insertion space, and the workpiece insertion space and the clamping The inlet of the seat is opposite to the position; thereby, when the telescopic drive cylinder is operated, the first side is driven to be driven. The movable frame of the group and the second side positive position guiding group are relatively displaced, and the first side positive position guiding group and the second side positive position guiding group are made through the meshing relationship between the tooth row and the intermediate interlocking gear. The set workpieces are accurately displaced relative to each other in the center of the workpiece insertion space, and are guided by the workpiece to the center position. The profile forming machine according to claim 1, wherein the first side positive position guide group and the second side positive position guide group are provided with two rows of teeth disposed at upper and lower intervals of the movable frame. The type of the intermediate linkage gear is matched with two types of profiles respectively disposed above and below the workpiece insertion space. A central aligning device for mounting outside an inlet of a holder provided in a profile forming machine; the center aligning device comprising a first side directional guide arranged transversely to the pair a second side positive position guiding group and at least one intermediate linking gear, wherein the first side positive position guiding group and the second side positive position guiding group are respectively provided with a movable frame, a workpiece abutting wheel and at least one And the movable frame of the at least one of the first side positive position guiding group and the second side positive position guiding group is connected with a telescopic driving cylinder, wherein the telescopic driving cylinder is used for driving the movable frame, the workpiece The abutment wheel is disposed on one side of the movable frame, and the tooth row is connected to the movable frame by one end, wherein the tooth row of the first side positive position guiding group and the second side positive position guiding group are provided The tooth surfaces are spaced apart from each other such that the intermediate interlocking gear train is disposed in a fixed-point configuration on the tooth row of the first side positive-position guide group and the second-row positive-position guide group. The meshing transmission state is between the two; the first side positive position guiding group is provided with the workpiece abutting wheel and the second side positive position guiding Established against the workpiece to form a through space between train wheel against the workpiece in spaced relation relative to one another, and enabling the workpiece retainer through space and the relative positions of the inlet port is provided. The central position device of claim 3, wherein the first side positive position guide group and the second side positive position guide group are provided with two rows of the upper and lower positions of the movable frame. The type of the interlocking gear is matched with two types of types respectively disposed above and below the workpiece wearing space.