CN105690687A - Pneumatic pressure injection forming device - Google Patents

Pneumatic pressure injection forming device Download PDF

Info

Publication number
CN105690687A
CN105690687A CN201610174823.5A CN201610174823A CN105690687A CN 105690687 A CN105690687 A CN 105690687A CN 201610174823 A CN201610174823 A CN 201610174823A CN 105690687 A CN105690687 A CN 105690687A
Authority
CN
China
Prior art keywords
cylinder
locking
forming
pressure injection
base
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201610174823.5A
Other languages
Chinese (zh)
Other versions
CN105690687B (en
Inventor
陈虎城
范志强
孙亚威
龙向前
梁能贵
唐宇阳
卢苑溶
周宇虹
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guilin University of Electronic Technology
Original Assignee
Guilin University of Electronic Technology
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Guilin University of Electronic Technology filed Critical Guilin University of Electronic Technology
Priority to CN201610174823.5A priority Critical patent/CN105690687B/en
Publication of CN105690687A publication Critical patent/CN105690687A/en
Application granted granted Critical
Publication of CN105690687B publication Critical patent/CN105690687B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17Component parts, details or accessories; Auxiliary operations
    • B29C45/46Means for plasticising or homogenising the moulding material or forcing it into the mould
    • B29C45/53Means for plasticising or homogenising the moulding material or forcing it into the mould using injection ram or piston
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22CFOUNDRY MOULDING
    • B22C9/00Moulds or cores; Moulding processes
    • B22C9/02Sand moulds or like moulds for shaped castings
    • B22C9/04Use of lost patterns
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C33/00Moulds or cores; Details thereof or accessories therefor
    • B29C33/38Moulds or cores; Details thereof or accessories therefor characterised by the material or the manufacturing process
    • B29C33/3842Manufacturing moulds, e.g. shaping the mould surface by machining

Abstract

The invention discloses a pneumatic pressure injection forming device. The pneumatic pressure injection forming device comprises a driving part, a forming part, a structure supporting part and a rapid locking part. An air cylinder is driven by adjusting the turning direction of a reversing valve, and a piston of the forming part is moved downwards and presses paraffin into a mold cavity rapidly. A base and a top plate in the structure supporting part are used for connecting the fixing forming part, the driving part and the rapid locking part. The paraffin can realize pressure injection forming of a paraffin mold at the speed of 20 ml/s through a pneumatic mode, the surface of the paraffin mold obtained through pressure injection is good in quality, and a formed part is uniform in density. The time for dismounting and mounting the mold is shortened through the arrangement of the rapid locking device, so that the processing efficiency is greatly improved. The pneumatic pressure injection forming device reduces processing cost, relieves labor intensity, can realize small-batch production, has the characteristics of convenience and high efficiency, and can realize teaching demonstration in pressure injection forming and injection forming experiment processes.

Description

A kind of Pneumatic pressure injection forming device
Technical field
The present invention relates to technology of die manufacturing field, teaching field, be specifically related to a kind of Pneumatic pressure injection forming device。
Background technology
Arrival along with multi items, small lot epoch, traditional die arrangement structure is complicated, Making mold expends substantial amounts of time, man power and material, and the finished product accuracy made is low, in order to shorten the production cycle of part quickly and reduce cost, by the design to the Pneumatic pressure injection forming device made, can the complex goods of molding structure, and improve the quality of product, reduce the amount of labour and cost, improve efficiency so that Making mold can guarantee that new product can quickly dominate the market。Additionally, in practical teaching process, develop a simple and easy student of being conducive to and understand the experimental provision of forming process, be greatly improved student instruction effect。
Summary of the invention
It is an object of the invention to the quick pressure injection of implementation model meanwhile, it is capable to ensures that it good fills type effect, and saves substantial amounts of cost, reduces the amount of labour。The present invention can be additionally used in the demonstration of experiment pressure injection teaching process。
Technical scheme provided by the present invention is as follows:
A kind of Pneumatic pressure injection forming device, including drive part, moulding section, arrangement holding portion and quick locking part, drive part is fixing with the top board in arrangement holding portion to be connected, moulding section is located at that the top of arrangement holding portion is fixing with the base in arrangement holding portion to be connected, and quick locking part is located at the lower section of arrangement holding portion and is fixed with the base in arrangement holding portion and be connected;By rotate quick locking part locking wrench by forming part compress after, regulate drive part reversal valve turn to driving cylinder, make the piston of moulding section move downward and fused mass be quickly pressed in die cavity。
Further, described drive part includes cylinder, piston rod, gas conduit, reversal valve, air compressor machine and cylindrical piece, cylinder is fixed on the top board of arrangement holding portion by the first studs, air compressor machine is connected by gas conduit with cylinder, cylindrical piece is connected cooperation with the piston rod in cylinder, and reversal valve is connected by gas conduit with cylinder;Control the piston rod in cylinder by rotary reversing valve to move up and down, drive cylindrical piece to move reciprocatingly by piston rod movement。Cylindrical piece is to increase piston lifting surface area, and by the amount of fused mass needed for calculating die cavity, the stroke that piston moves downward can be adjusted by the length of change cylindrical piece, it is more firm that cylindrical piece endoporus has the piston rod in screw thread and cylinder to connect, air compressor machine provides the pressure of 0.4MPa, the rotation direction of reversal valve change and drive the piston rod in cylinder to move reciprocatingly。
Further, described cylindrical piece endoporus has screw thread, cylindrical piece with the piston rod in cylinder for threadeding。
Further, described moulding section includes piston, spring, cylinder, sealing ring, cope match-plate pattern and forming part, piston is positioned at cylinder and forms piston cylinder, spring is placed on outer surface of piston, and cylinder is positioned on cope match-plate pattern, and cope match-plate pattern is connected with base by the second studs, sealing ring one place is positioned at piston and cylinder coordinates and relative motion place, another place is positioned at cylinder and cope match-plate pattern junction, places sealing ring to prevent fused mass side leakage, and forming part is positioned at below cope match-plate pattern and is connected with cope match-plate pattern。
Further, described cylinder being additionally provided with steam vent, steam vent is used for the discharge of gas in the jar in piston cylinder pressure injection fused mass process。
Further, described cope match-plate pattern offering groove, groove is accurately positioned for cylinder, is further opened with through hole in described groove, and through-hole diameter is 3mm, and through hole is for injecting forming part by fused mass。
Further, described cope match-plate pattern being further opened with the holes of connection, two bore dias differences and relative angle are 30 °, and studs is put in intercommunicating pore and is connected with base for cope match-plate pattern, and can take by quick-mounting soon。
Further, described arrangement holding portion includes top board, column and base;Top board is connected with the cylinder of drive part, and top board is used for fixed drive part;Offering circular hole on top board, circular hole drives cylindrical piece to move up and down for the piston rod being connected with cylinder;Base is connected with the cope match-plate pattern of moulding section, and base is used for fixed-type part, and base is connected by four screws with the locking nut of quick locking part, and screw is used for fixing quick locking part;Column is connected by clamp nut with top board, base respectively and ensures certain perpendicularity。
Further, described base center is provided with groove, and groove is used for being accurately positioned forming part, and described base central recess offers through hole, and through hole is for fixing the locking nut of quick locking part, it is simple to locking screw mandrel coordinates transmission with locking nut。
Further, described quick locking part includes locking wrench, locking screw mandrel and locking nut;Being connected by key between locking wrench with locking screw mandrel, locking nut is arranged in base plate through holes, and is connected fixing with base by screw。
Advantages of the present invention is: the present invention passes through pneumatic mode, when fused mass is between 50 DEG C 60 DEG C, can with the injection-compression molding of the velocity interpolation model of more than 20ml/s, and the model surface quality after pressure injection is good, profiled member even density。This device has saved processing cost, reduces labor intensity, it may be achieved small lot batch manufacture, embodies feature convenient, efficient;The teaching demonstration of injection-compression molding, injection moulding experimentation can be realized, and can be directly used for the mould processing of small workpiece。
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention;
Fig. 2 is the structural representation of moulding section in the present invention;
Fig. 3 is the structural representation of arrangement holding portion in the present invention;
Fig. 4 is the structural representation of quick locking part in the present invention。
In figure: 1. drive part;2. moulding section;3. arrangement holding portion;4;Quick locking part;100. the first studs;200. the second studs;300. screw;1-1. cylinder;1-2. cylindrical piece;1-3. reversal valve;1-4. air compressor machine;1-5. piston rod;1-6. gas conduit;2-1. piston;2-2. sealing ring;2-3. cylinder;2-4. cope match-plate pattern;2-5. forming part;2-6. spring;2-7. steam vent;2-8. intercommunicating pore;3-1. clamp nut;3-2. through hole;3-3. top board;3-4. column;3-5. groove;3-6. through hole;3-7. base;4-1. locking wrench;4-2. key;4-3. locks screw mandrel;4-4. locking nut。
Detailed description of the invention
Below in conjunction with specific embodiments and the drawings, the present invention is further described, but the present invention is not limited only to this。
Embodiment
Referring to Fig. 1 Fig. 4, a kind of Pneumatic pressure injection forming device, including drive part 1, moulding section 2, arrangement holding portion 3 and quick locking part 4;Drive part 1 is connected by the first studs 100 is fixing with the top board 3-3 in arrangement holding portion 3, moulding section 2 is connected by the second studs 200 is fixing with the base 3-7 in arrangement holding portion 3, and the locking nut 4-4 in quick locking the part 4 and base 3-7 in arrangement holding portion 3 is connected by screw 300 is fixing;After forming part 2-5 in moulding section 2 is compressed by quick locking part 4, turning to of the reversal valve 1-3 of pneumatic adjustment drive part 1 drives cylinder 1-1, makes the piston 2-1 of moulding section 2 move downward and is quickly pressed in die cavity by paraffin。
Wherein drive part 1 includes cylinder 1-1, cylindrical piece 1-2, reversal valve 1-3, air compressor machine 1-4, piston rod 1-5 and gas conduit 1-6;Cylinder 1-1 is fixed on top board 3-3 by the first studs 100, air compressor machine 1-4 is connected by gas conduit 1-6 with cylinder 1-1, hole machined screw thread in cylindrical piece 1-2, the piston rod 1-5 in cylindrical piece 1-2 and cylinder 1-1 is made to be threaded connection more firm, reversal valve 1-3 is connected by gas conduit 1-6 with cylinder 1-1, control the piston rod 1-5 in cylinder 1-1 by rotary reversing valve 1-3 to move up and down, when reversal valve 1-3 turns clockwise, the piston rod 1-5 in cylinder 1-1 drives cylindrical piece 1-2 to move downward。
Cylindrical piece is to increase piston lifting surface area, and by calculating the amount of the required melted paraffin of die cavity, the stroke that piston moves downward can be adjusted by the length of change cylindrical piece, it is more firm that cylindrical piece endoporus has the piston rod in screw thread and cylinder to connect, air compressor machine provides the pressure of 0.4MPa, the rotation direction of reversal valve change and drive the piston rod in cylinder to move reciprocatingly。
Moulding section 2 includes piston 2-1, sealing ring 2-2, cylinder 2-3, cope match-plate pattern 2-4, forming part 2-5 and spring 2-6;Piston 2-1 is positioned at cylinder 2-3 and forms piston cylinder, and sealing ring 2-2 is added between piston 2-1 and cylinder 2-3 and cylinder 2-3 and cope match-plate pattern 2-4 junction, it is prevented that melted paraffin side leakage。Cylinder 2-3 is placed on cope match-plate pattern 2-4, and cylinder 2-3 arranges steam vent 2-7, for the quick drain of gas in melted paraffin pressure injection process。Cope match-plate pattern 2-4 processing is fluted, it is easy to position with cylinder 2-3, the groove of cope match-plate pattern 2-4 also has the through hole that diameter is 3mm simultaneously, inject in forming part 2-5 for paraffin via through holes, forming part 2-5 is placed between cope match-plate pattern 2-4 and base 3-6, with being connected below of cope match-plate pattern 2-4, spring 2-6 is placed on piston 2-1 outer surface, cope match-plate pattern 2-4 and base 3-7 adopts the second studs 200 to connect, it is the different intercommunicating pore 2-8(such as Fig. 1 of two diameters in the hole that cope match-plate pattern 2-4 and the second studs 200 junction offer), between the holes that in intercommunicating pore 2-8, diameter is different, relative angle is 30 °, first diametric hole is small diameter bore, small diameter bore quickly positions when being used for installing template 2-4, second diameter bore is large diameter hole, large diameter hole quickly takes off for cope match-plate pattern 2-4 after cope match-plate pattern rotates 30 °。Second studs 200 adopts two nuts to be connected with cope match-plate pattern 2-4, reaches the purpose that machinery is locking。
Arrangement holding portion 3 includes top board 3-3, column 3-4 and base 3-7;Top board 3-3 is connected by the first studs 100 with the cylinder 1-1 of drive part, and for fixed drive part 1, the circular hole 3-2 on top board 3-3 drives cylindrical piece 1-2 to move up and down for the piston rod 1-5 being connected with cylinder 1-1;Base 3-7 is connected by three second studs 200 with the cope match-plate pattern 2-4 of moulding section 2, and for fixed-type part, meanwhile, base 3-7 is also connected by four screws with the locking nut 4-4 of quick locking part 4, and screw is used for fixing quick locking part;Two root post 3-4 are connected with top board 3-3, base 3-7 respectively and ensure certain perpendicularity, and being matched with the screw thread on column 3-4 by four fixing nut 3-1 is fixed;Base 3-7 center is provided with groove 3-5, groove 3-5 is for being accurately positioned forming part 2-5, groove 3-5 continues to offer through hole 3-6, the through hole 3-6 locking nut 4-4 for fixing in quick locking part 4, it is simple to locking screw mandrel 4-3 and locking nut 4-4 coordinates transmission。
Quick locking part 4 includes locking wrench 4-1, key 4-2, locking screw mandrel 4-3, locking nut 4-4;It is connected by key 4-2 between locking wrench 4-1 with locking screw mandrel 4-3, four screws 300 are adopted to be connected between locking nut 4-4 with the through hole 3-6 in base 3-7 in arrangement holding portion 3, rotational lock spanner 4-1 counterclockwise, locking screw mandrel 4-3 rotate and can be compressed by the forming part 2-5 in moulding section 2。In order to increase the contact area of locking screw mandrel 4-3 and forming part 2-5, reduce the local pressure of forming part 2-5, locking screw mandrel 2-5 is designed to T-shaped, and the locking screw mandrel pitch chosen is 4mm, diameter is 30mm, and owing to locking screw mandrel 4-3 diameter is big, helical pitch is little, act primarily as the transmission of power, after therefore calculating, lock the transmission self-locking conditions satisfied between screw mandrel and locking nut。
Rotational lock spanner 4-1, shed thrust, turn clockwise cope match-plate pattern 30 ° in intercommunicating pore 2-8, the second studs 200 is made to be arranged in the diameter hole more than nut, namely in large diameter hole, in order that cope match-plate pattern 2-4 can quickly be removed, moving away from cope match-plate pattern 2-4, forming part 2-5 can be removed。
The operation principle of the present invention is:
Second studs 200 is after the large diameter hole in the intercommunicating pore 2-8 on cope match-plate pattern 2-4, cope match-plate pattern 2-4 rotates 30 ° counterclockwise, the second studs 200 is made to be in the location notch hole that diameter is little, i.e. small diameter bore in intercommunicating pore 2-8, in order that cope match-plate pattern can quickly position after installing, forming part 2-5 is compressed by another mistake hour hands rotational lock spanner 4-1, will be equipped with the cylinder 2-3 of paraffin to be heated by external heating device, make paraffin melting after, it is put in cope match-plate pattern 2-4, open air compressor machine 1-4, turn clockwise reversal valve 1-3, piston rod 1-5 in cylinder 1-1 drives cylindrical piece 1-2 to move downward, make piston 2-1 move downward by melted paraffin in cope match-plate pattern 2-4 through hole press-in forming part 2-5 die cavity in, now, spring 2-6 is compressed, keep the time of about 3S, after pressure injection, rotary reversing valve 1-3 counterclockwise, piston 2-1 is ejected by spring 2-6, after piston 2-1 and cylinder 2-3 moves away from device, turn clockwise locking wrench 4-1, after unloading thrust, clockwise cope match-plate pattern 2-4 is rotated 30 °, the second studs 200 is made to be arranged in the diameter slotted eye more than nut, i.e. large diameter hole in intercommunicating pore 2-8, move away from cope match-plate pattern 2-4, it is placed on the forming part 2-5 between cope match-plate pattern 2-4 and base 3-7 to take out, the wax-pattern pressed the most at last takes out from forming part 2-5。

Claims (10)

1. a Pneumatic pressure injection forming device, it is characterized in that, including drive part, moulding section, arrangement holding portion and quick locking part, drive part is fixing with the top board in arrangement holding portion to be connected, moulding section is located at the top of arrangement holding portion and is connected with the base in arrangement holding portion, and quick locking part is located at the lower section of arrangement holding portion and is connected with the base in arrangement holding portion;After rotating the locking wrench of quick locking part and being compressed by forming part, what regulate reversal valve in drive part turns to driving cylinder, makes the piston of moulding section move downward and is quickly pressed in die cavity by fused mass。
2. Pneumatic pressure injection forming device according to claim 1, it is characterized in that, described drive part includes cylinder, piston rod, gas conduit, reversal valve, air compressor machine and cylindrical piece, cylinder is fixed on the top board of arrangement holding portion by the first studs, air compressor machine is connected by gas conduit with cylinder, cylindrical piece is connected cooperation with the piston rod in cylinder, and reversal valve is connected by gas conduit with cylinder;Control the piston rod in cylinder by rotary reversing valve to move up and down, drive cylindrical piece to move reciprocatingly by piston rod movement。
3. Pneumatic pressure injection forming device according to claim 2, it is characterised in that described cylindrical piece endoporus has screw thread, cylindrical piece with the piston rod in cylinder for threadeding。
4. Pneumatic pressure injection forming device according to claim 1, it is characterized in that, described moulding section includes piston, spring, cylinder, sealing ring, cope match-plate pattern and forming part, piston is positioned at cylinder and forms piston cylinder, spring is placed on outer surface of piston, and cylinder is positioned on cope match-plate pattern, and cope match-plate pattern is connected with base by the second studs, sealing ring is positioned at piston and cylinder cooperation and relative motion place and cylinder and cope match-plate pattern junction, and forming part is positioned at below cope match-plate pattern and is connected with cope match-plate pattern。
5. Pneumatic pressure injection forming device according to claim 4, it is characterised in that be additionally provided with steam vent on described cylinder, for fused mass in injection-compression molding process, gas in the jar quick drain。
6. Pneumatic pressure injection forming device according to claim 4, it is characterised in that offer groove on described cope match-plate pattern, groove is accurately positioned for cylinder, is further opened with through hole in described groove, and through-hole diameter is 3mm, and through hole is for injecting forming part by fused mass。
7. Pneumatic pressure injection forming device according to claim 4, it is characterized in that, described cope match-plate pattern is further opened with the holes of connection, two bore dias differences and relative angle are 30 °, studs is put in intercommunicating pore and is connected with base for cope match-plate pattern, and can take by quick-mounting soon。
8. Pneumatic pressure injection forming device according to claim 1, it is characterised in that described arrangement holding portion includes top board, column and base;Top board is connected with the cylinder of drive part, for fixed drive part;Offering circular hole on top board, circular hole drives cylindrical piece to move up and down for the piston rod being connected with cylinder;Base is connected with the cope match-plate pattern of moulding section, quick locking part, and base is used for fixed-type part and quick locking part;Column is connected by clamp nut with top board, base respectively and ensures certain perpendicularity。
9. Pneumatic pressure injection forming device according to claim 8, it is characterized in that, described base center is provided with groove, groove is used for being accurately positioned forming part, groove offers through hole, through hole is for fixing the locking nut of quick locking part, it is simple to locking screw mandrel coordinates transmission with locking nut。
10. Pneumatic pressure injection forming device according to claim 1, it is characterised in that described quick locking part includes locking wrench, locking screw mandrel and locking nut;Being connected by key between locking wrench with locking screw mandrel, locking nut is arranged in base plate through holes, and is connected fixing with base by screw。
CN201610174823.5A 2016-03-25 2016-03-25 A kind of pneumatic injection-compression molding device Active CN105690687B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610174823.5A CN105690687B (en) 2016-03-25 2016-03-25 A kind of pneumatic injection-compression molding device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610174823.5A CN105690687B (en) 2016-03-25 2016-03-25 A kind of pneumatic injection-compression molding device

Publications (2)

Publication Number Publication Date
CN105690687A true CN105690687A (en) 2016-06-22
CN105690687B CN105690687B (en) 2018-03-13

Family

ID=56232691

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610174823.5A Active CN105690687B (en) 2016-03-25 2016-03-25 A kind of pneumatic injection-compression molding device

Country Status (1)

Country Link
CN (1) CN105690687B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111016065A (en) * 2019-12-19 2020-04-17 王德忠 Plastic injection molding device and injection molding method

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102269283A (en) * 2011-07-15 2011-12-07 大连天禄机电设备制造有限公司 Novel paraffin injection valve of paraffin continuous molding machine
CN104139490A (en) * 2014-07-21 2014-11-12 晋江市银鑫拉链织造有限公司 Injection molding zipper head fast forming device and method
CN205572941U (en) * 2016-03-25 2016-09-14 桂林电子科技大学 Forming device is annotated to pneumatic pressure

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102269283A (en) * 2011-07-15 2011-12-07 大连天禄机电设备制造有限公司 Novel paraffin injection valve of paraffin continuous molding machine
CN104139490A (en) * 2014-07-21 2014-11-12 晋江市银鑫拉链织造有限公司 Injection molding zipper head fast forming device and method
CN205572941U (en) * 2016-03-25 2016-09-14 桂林电子科技大学 Forming device is annotated to pneumatic pressure

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111016065A (en) * 2019-12-19 2020-04-17 王德忠 Plastic injection molding device and injection molding method
CN111016065B (en) * 2019-12-19 2021-07-13 南通德杰新材料科技有限公司 Plastic injection molding device and injection molding method

Also Published As

Publication number Publication date
CN105690687B (en) 2018-03-13

Similar Documents

Publication Publication Date Title
CN206936151U (en) A kind of hardware dies of rotary type
CN205572941U (en) Forming device is annotated to pneumatic pressure
CN105690687A (en) Pneumatic pressure injection forming device
CN204161976U (en) A kind of pneumatic bolt-type interval turntable
CN202803969U (en) Simple necking device capable of quickly adjusting angle
CN209682718U (en) A kind of mold stationary fixture
CN209521165U (en) A kind of plastic product molding machine of replaceable mold
CN209223879U (en) A kind of novel plastic product clamping tooling
CN206550227U (en) Diel for processing big L/D ratio cylinder
CN207172569U (en) A kind of mould
CN100408218C (en) Non-mould multi-point shaping apparatus for plates
CN204773266U (en) Be used for car solar term door sensor control unit rivet hot assembly quality
CN107806456A (en) One kind die sinking positional cylinder
CN203209688U (en) Upper three punching device of powder metallurgy mold base
CN204772150U (en) A device for emery wheel forming die feel relieved fast
CN206780951U (en) A kind of internal diameter adjustable plastic extrusion die
CN207673643U (en) A kind of die sinking positional cylinder
CN211165010U (en) Adjustable double-color injection molding device
CN205132516U (en) A fast -assembling mechanism that is used for equipment for packing's star gear to coil and shaped plate
CN213766887U (en) Multi-functional injection mold fixing device
CN109513884B (en) Automatic positioning method for dieless casting forming machine
CN210849605U (en) Diameter-adjusting die for bearing processing
CN201848587U (en) Special device for machining elliptical workpieces for vertical lathe
CN210996254U (en) Ball stud cold-heading forming die
CN213797610U (en) Die mounting structure with good stability

Legal Events

Date Code Title Description
PB01 Publication
C06 Publication
SE01 Entry into force of request for substantive examination
C10 Entry into substantive examination
GR01 Patent grant
GR01 Patent grant