CN211105333U

CN211105333U - Extrusion forming die for producing annular synchronous belt

Info

Publication number: CN211105333U
Application number: CN201921999950.4U
Authority: CN
Inventors: 冯晓平
Original assignee: Wuxi Shuangxiao Mould Manufacturing Co ltd
Current assignee: Wuxi Shuangxiao Mould Manufacturing Co ltd
Priority date: 2019-11-19
Filing date: 2019-11-19
Publication date: 2020-07-28
Anticipated expiration: 2029-11-19

Abstract

The utility model discloses an annular hold-in range production extrusion mould, including the bottom plate, the upper end of bottom plate is provided with the lower mould, four group's support frames are installed in the outside of the upper end lower mould of bottom plate, the upper end vertical welding of support frame has the backup pad, the upper end central point department of putting of backup pad installs the pneumatic cylinder, the lower extreme of pneumatic cylinder runs through in the backup pad and is provided with fixed establishment, the ring flange is installed to fixed establishment's lower extreme, the lower extreme of ring flange is provided with the upper fixed plate, be provided with positioning mechanism between upper fixed plate and the support frame. A annular hold-in range production extrusion mould, can change lower mould and last mould, it is all more convenient that the installation is all compared with the dismantlement, can produce the hold-in range of different models, slide through the position sleeve and can play the guide effect to last mould, frictional force is less, can make the compound die effect better, improves the quality of the hold-in range of producing.

Description

Extrusion forming die for producing annular synchronous belt

Technical Field

The utility model relates to the field of dies, in particular to annular hold-in range production extrusion mould.

Background

The extrusion forming die utilizes the extrudability and the moldability of plastics, firstly, loose granular or powdery raw materials are sent into a high-temperature charging barrel from an injection molding machine to be heated and melted and plasticized to form viscous-state melt, the melt is filled into the die at a certain pressure and speed, the die is opened after pressure maintaining and cooling, plastic products with certain shapes and sizes can be obtained, the synchronous belt can be produced through the extrusion forming die, and the formed synchronous belt is connected in a tail way to obtain the annular synchronous belt; the existing extrusion forming die has some defects, firstly, an upper die and a lower die of the die are not easy to replace, synchronous belts with different sizes are not easy to produce by the same forming die, secondly, the guiding effect of the die is poor, gaps appear after the die is closed, the quality of the produced synchronous belts is poor, and in order to solve the problems, the extrusion forming die for producing the annular synchronous belts is provided.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at provides an annular hold-in range production extrusion mould, can effectively solve the problem in the background art.

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

the utility model provides an annular hold-in range production extrusion mould, includes the bottom plate, the upper end of bottom plate is provided with the lower mould, four groups of support frames are installed in the outside of the upper end lower mould of bottom plate, the upper end vertical welding of support frame has the backup pad, the upper end central point department of putting of backup pad installs the pneumatic cylinder, the lower extreme of pneumatic cylinder runs through and is provided with fixed establishment in the backup pad, the ring flange is installed to fixed establishment's lower extreme, the lower extreme of ring flange is provided with the upper fixed plate, be provided with positioning mechanism between upper fixed plate and the support.

Preferably, fixing mechanism includes dead lever, connecting pipe, screw thread fixed pin, extension rod, screw hole, the upper end of going up the dead lever runs through in backup pad and pneumatic cylinder fixed connection, the lower extreme of going up the dead lever is provided with the connecting pipe, the inboard welding of the lower extreme connecting pipe of going up the dead lever has the extension rod, it is provided with two sets of screw holes all to draw the inside of extension rod and connecting pipe empty, the inside of screw hole is run through and is provided with the screw thread fixed pin, the surface of screw thread fixed pin and the internal surface swing joint in screw hole, the upper end fixed connection of screw thread fixed pin, extension rod and connecting pipe is passed through to the lower.

Preferably, positioning mechanism includes position sleeve, ball, threaded connection pole, No. two threaded connection poles, thread tightening pipe, a plurality of groups of balls have been inlayed to the inner wall of position sleeve, ball and position sleeve swing joint, the ball is the array and arranges, the internal surface of position sleeve passes through the surface swing joint of ball and support frame, the one end of position sleeve is provided with a threaded connection pole, the one end of a threaded connection pole is provided with No. two threaded connection poles, the outside of a threaded connection pole and No. two threaded connection pole junctions is provided with the thread tightening pipe, the surface of a threaded connection pole, No. two threaded connection poles all passes through threaded connection with the internal surface of thread tightening pipe, No. two threaded connection poles weld in the surface of upper fixed plate.

Preferably, the number of the positioning mechanisms is two, the positioning mechanisms are symmetrical around the diagonal axis of the upper fixing plate, a fixing screw is arranged between the lower die and the lower fixing plate, the outer surface of the lower end of the lower die is fixedly connected with the outer surface of the upper end of the lower fixing plate through the fixing screw, an upper die is arranged above the lower die of the lower end of the upper fixing plate, and the outer surface of the upper end of the upper die is fixedly connected with the outer surface of the lower end of the upper fixing plate.

Preferably, the lower end of the pneumatic cylinder is fixedly connected with the upper end of the supporting plate, and the outer surface of the upper end of the upper fixing plate is fixed at the lower end of the fixing mechanism through a flange plate.

Preferably, the support frame is made of stainless steel materials, the outer surface of the lower end of the support frame is fixedly connected with the outer surface of the upper end of the lower fixing plate, and one side, close to the flange plate, of the upper end of the upper fixing plate is provided with an injection molding hole.

Compared with the prior art, the utility model discloses following beneficial effect has: the extrusion forming die for producing the annular synchronous belt has the advantages that the threaded holes are aligned by inserting the extension rod into the connecting pipe, the thread fixing pin is screwed into the threaded holes to connect the extension rod with the connecting pipe, the connecting pipe is fixed at the lower end of the upper fixing rod to complete the installation of the upper die, the lower die matched with the upper die is fixed at the upper end of the lower fixing plate through the fixing screw, so that the lower die and the upper die can be replaced, the installation and the disassembly are convenient, synchronous belts with different types can be produced, the thread fixing pipe is rotated to be fixed at the outer side of the first thread connecting rod, the second thread connecting rod can be connected with the end face of the first thread connecting rod after the upper fixing plate and the upper die are installed, the thread fixing pipe is rotated reversely to be fixed at the connection part of the first thread connecting rod and the second thread connecting rod, and the first thread connecting rod and, and then make the position sleeve fix in one side of upper fixed plate, can make the position sleeve slide in the outside of support frame through the ball, frictional force is less, slides through the position sleeve and can play the guide effect to last mould, can make the compound die effect of lower mould and last mould better, improves the quality of the hold-in range of producing, and the effect of use is better for traditional mode.

Drawings

FIG. 1 is a schematic view of the overall structure of an extrusion molding mold for producing an annular synchronous belt according to the present invention;

FIG. 2 is a schematic structural view of a fixing mechanism of an extrusion molding mold for producing an annular synchronous belt according to the present invention;

FIG. 3 is an exploded view of the fixing mechanism of the extrusion molding mold for producing the annular synchronous belt of the present invention;

fig. 4 is the utility model discloses a positioning mechanism's of annular hold-in range production extrusion mould schematic structure view.

In the figure: 1. a lower fixing plate; 2. a lower die; 3. a support frame; 4. a support plate; 5. a pneumatic cylinder; 6. a fixing mechanism; 61. an upper fixing rod; 62. a connecting pipe; 63. a threaded securing pin; 64. an extension rod; 65. a threaded hole; 7. a flange plate; 8. an upper fixing plate; 9. an upper die; 10. a positioning mechanism; 101. a positioning sleeve; 102. a ball bearing; 103. a first threaded connecting rod; 104. a second threaded connecting rod; 105. the pipe is fixed by screw threads.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

As shown in fig. 1-4, an extrusion molding die for producing an annular synchronous belt comprises a lower fixing plate 1, a lower die 2 is arranged at the upper end of the lower fixing plate 1, four groups of supporting frames 3 are mounted on the outer side of the lower die 2 at the upper end of the lower fixing plate 1, a supporting plate 4 is vertically welded at the upper end of each supporting frame 3, a pneumatic cylinder 5 is mounted at the central position of the upper end of each supporting plate 4, a fixing mechanism 6 is arranged at the lower end of each pneumatic cylinder 5 in a penetrating mode through the supporting plate 4, a flange 7 is mounted at the lower end of each fixing mechanism 6, an upper fixing plate 8 is arranged at the.

Fixing mechanism 6 includes dead lever 61, connecting pipe 62, screw thread fixed pin 63, extension rod 64, screw hole 65, the upper end of going up dead lever 61 runs through in backup pad 4 and pneumatic cylinder 5 fixed connection, the lower extreme of going up dead lever 61 is provided with connecting pipe 62, the inboard welding of the lower extreme connecting pipe 62 of going up dead lever 61 has extension rod 64, extension rod 64 all hollows out with the inside of connecting pipe 62 and is provided with two sets of screw holes 65, the inside of screw hole 65 runs through and is provided with screw thread fixed pin 63, the surface of screw thread fixed pin 63 and the internal surface swing joint of screw hole 65, the lower extreme of going up dead lever 61 passes through screw thread fixed pin 63, extension rod 64 and the upper end.

Positioning mechanism 10 includes position sleeve 101, ball 102, threaded connection rod 103, No. two threaded connection rods 104, thread fixing pipe 105, a plurality of groups of ball 102 have been inlayed to the inner wall of position sleeve 101, ball 102 and position sleeve 101 swing joint, ball 102 is the array and arranges, the internal surface of position sleeve 101 passes through ball 102 and support frame 3's surface swing joint, the one end of position sleeve 101 is provided with threaded connection rod 103, the one end of a threaded connection rod 103 is provided with No. two threaded connection rods 104, the outside of the junction of a threaded connection rod 103 and No. two threaded connection rods 104 is provided with thread fixing pipe 105, a threaded connection rod 103, the surface of No. two threaded connection rods 104 all passes through threaded connection with thread fixing pipe 105's internal surface, No. two threaded connection rods 104 weld in the surface of upper fixed plate 8.

The quantity of positioning mechanism 10 is two sets ofly, and positioning mechanism 10 is about the diagonal axis symmetry of upper fixed plate 8, is provided with the set screw between lower mould 2 and the lower fixed plate 1, and the lower extreme surface of lower mould 2 passes through the set screw to be connected with the upper end surface fixed connection of lower fixed plate 1, and the lower extreme lower mould 2 of upper fixed plate 8 top is provided with mould 9, and the upper end surface of going up mould 9 is connected with the lower extreme surface fixed connection of upper fixed plate 8.

The lower end of the pneumatic cylinder 5 is fixedly connected with the upper end of the supporting plate 4, and the outer surface of the upper end of the upper fixing plate 8 is fixed at the lower end of the fixing mechanism 6 through a flange 7.

The support frame 3 is stainless steel material, and the lower extreme surface of support frame 3 and the upper end surface fixed connection of bottom plate 1, and the hole of moulding plastics has been seted up to one side that the upper end of upper fixed plate 8 is close to ring flange 7.

It should be noted that, the utility model relates to an extrusion molding mold for producing an annular synchronous belt, a user inserts an extension rod 64 into a connecting pipe 62 to align a threaded hole 65, screws a thread fixing pin 63 into the threaded hole 65 to connect the extension rod 64 with the connecting pipe 62, and further fixes the connecting pipe 62 at the lower end of an upper fixing rod 61, so as to complete the installation of an upper mold 9, fixes a lower mold 2 matched with the upper mold 9 at the upper end of a lower fixing plate 1 through a fixing screw, thereby completing the replacement of the lower mold 2 and the upper mold 9, rotates a thread fixing pipe 105 to fix the outer side of a first threaded connecting rod 103, after installing the upper fixing plate 8 and the upper mold 9, a second threaded connecting rod 104 can be connected with the end face of the first threaded connecting rod 103, and reversely rotates the thread fixing pipe 105 to fix the connecting pipe at the connection position between the first threaded connecting rod 103 and the second, can make threaded connection pole 103 and No. two threaded connection pole 104 fixed, and then make the position sleeve 101 fix the one side at last fixed plate 8, let in the injection liquid in lower mould 2 through the hole of moulding plastics, it can be to hold-in range extrusion with 2 compound dies of lower mould to push down 9 to drive through pneumatic cylinder 5, it slides in the outside of support frame 3 to make the position sleeve 101 through ball 102, slide through position sleeve 101 and can play the guide effect to last mould 9, can make lower mould 2 better with the compound die effect of last mould 9, traditional extrusion mould has been surpassed in the use prospect, and is relatively practical.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides an annular hold-in range production extrusion mould, includes bottom plate (1), its characterized in that: the upper end of bottom plate (1) is provided with lower mould (2), four groups of support frames (3) are installed in the outside of the upper end lower mould (2) of bottom plate (1), the upper end vertical weld of support frame (3) has backup pad (4), the upper end central point department of putting of backup pad (4) installs pneumatic cylinder (5), the lower extreme of pneumatic cylinder (5) runs through and is provided with fixed establishment (6) in backup pad (4), ring flange (7) are installed to the lower extreme of fixed establishment (6), the lower extreme of ring flange (7) is provided with upper fixed plate (8), be provided with positioning mechanism (10) between upper fixed plate (8) and support frame (3).

2. The extrusion molding die for producing the annular synchronous belt according to claim 1, which is characterized in that: the fixing mechanism (6) comprises an upper fixing rod (61), a connecting pipe (62), a thread fixing pin (63), an extension rod (64) and a threaded hole (65), the upper end of the upper fixing rod (61) penetrates through the support plate (4) and is fixedly connected with the pneumatic cylinder (5), the lower end of the upper fixing rod (61) is provided with a connecting pipe (62), the inner side of the lower end connecting pipe (62) of the upper fixing rod (61) is welded with an extension rod (64), the extension rod (64) and the connecting pipe (62) are both provided with two groups of threaded holes (65) in a hollow way, a threaded fixing pin (63) penetrates through the threaded hole (65), the outer surface of the threaded fixing pin (63) is movably connected with the inner surface of the threaded hole (65), the lower end of the upper fixing rod (61) is fixedly connected with the upper end of the connecting pipe (62) through a threaded fixing pin (63) and an extension rod (64).

3. The extrusion molding die for producing the annular synchronous belt according to claim 1, which is characterized in that: the positioning mechanism (10) comprises a positioning sleeve (101), a plurality of groups of balls (102), a first threaded connecting rod (103), a second threaded connecting rod (104) and a threaded fixing pipe (105), wherein the inner wall of the positioning sleeve (101) is embedded with the balls (102), the balls (102) are movably connected with the positioning sleeve (101), the balls (102) are arranged in an array manner, the inner surface of the positioning sleeve (101) is movably connected with the outer surface of the support frame (3) through the balls (102), one end of the positioning sleeve (101) is provided with the first threaded connecting rod (103), one end of the first threaded connecting rod (103) is provided with the second threaded connecting rod (104), the outer side of the joint of the first threaded connecting rod (103) and the second threaded connecting rod (104) is provided with the threaded fixing pipe (105), the outer surfaces of the first threaded connecting rod (103) and the second threaded connecting rod (104) are both in threaded connection with the inner surface of the threaded fixing pipe (105), the second threaded connecting rod (104) is welded on the outer surface of the upper fixing plate (8).

4. The extrusion molding die for producing the annular synchronous belt according to claim 1, which is characterized in that: the quantity of positioning mechanism (10) is two sets of, positioning mechanism (10) is about the diagonal axis symmetry of upper fixed plate (8), be provided with the fixed screw between lower mould (2) and lower fixed plate (1), the lower extreme surface of lower mould (2) passes through the upper end fixed surface of fixed screw and lower fixed plate (1) to be connected, the top of lower extreme lower mould (2) of upper fixed plate (8) is provided with mould (9), the upper end surface of going up mould (9) and the lower extreme fixed surface of upper fixed plate (8) are connected.

5. The extrusion molding die for producing the annular synchronous belt according to claim 1, which is characterized in that: the lower extreme of pneumatic cylinder (5) and the upper end fixed connection of backup pad (4), the upper end surface of upper fixed plate (8) is fixed in the lower extreme of fixed establishment (6) through ring flange (7).

6. The extrusion molding die for producing the annular synchronous belt according to claim 1, which is characterized in that: the support frame (3) is stainless steel material, the lower extreme surface of support frame (3) and the upper end fixed surface of bottom plate (1) are connected, the hole of moulding plastics has been seted up to one side that the upper end of top plate (8) is close to ring flange (7).