CN209579929U - It is a kind of for manufacturing the molding machine of vacuum stone - Google Patents

It is a kind of for manufacturing the molding machine of vacuum stone Download PDF

Info

Publication number
CN209579929U
CN209579929U CN201821192658.7U CN201821192658U CN209579929U CN 209579929 U CN209579929 U CN 209579929U CN 201821192658 U CN201821192658 U CN 201821192658U CN 209579929 U CN209579929 U CN 209579929U
Authority
CN
China
Prior art keywords
weight
molding machine
manufacturing
template
vacuum stone
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.)
Active
Application number
CN201821192658.7U
Other languages
Chinese (zh)
Inventor
杨绍良
杨专书
胥焱
杨绍忠
曹琪
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.)
Zhangwu Amlite Environmental Protection Mstar Technology Ltd
Anhui Province Environmental Protection Mstar Technology Ltd Lee Teuk Amtt
Original Assignee
Zhangwu Amlite Environmental Protection Mstar Technology Ltd
Anhui Province Environmental Protection Mstar Technology Ltd Lee Teuk Amtt
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 Zhangwu Amlite Environmental Protection Mstar Technology Ltd, Anhui Province Environmental Protection Mstar Technology Ltd Lee Teuk Amtt filed Critical Zhangwu Amlite Environmental Protection Mstar Technology Ltd
Priority to CN201821192658.7U priority Critical patent/CN209579929U/en
Application granted granted Critical
Publication of CN209579929U publication Critical patent/CN209579929U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

The utility model discloses a kind of for manufacturing the molding machine of vacuum stone, driver including pedestal, the weight being mounted on the pedestal and the driving weight, there is material contained district on the pedestal, the weight flops the material contained district, the bottom of the weight is provided with hammer plate, it is characterised in that: the more driver synchronized links together, constitute one group of synchronous driving group, four groups of synchronous driving groups are provided at the top of the weight, every two groups synchronous driving groups are linked together by synchronization mechanism.The synchronization driving group of the utility model synchronizes two-by-two, and the further synchronous number for improving driver improves driving effect, generates higher slap power.

Description

It is a kind of for manufacturing the molding machine of vacuum stone
Technical field
The utility model relates to a kind of for manufacturing the molding machine of vacuum stone.
Background technique
Vacuum stone in the utility model is a kind of new product, is prepared using the principle of Magdeburg hemispheres, the vacuum stone Closer to lithotome in nature, the overall performance of vacuum stone is also close to lithotome.The utility model vacuum stone Specifically describe the earlier patent application that may refer to the utility model people.But compression system and vibration due to vacuum stone production equipment Dynamic system is with the use of being a technical problem, and causing existing equipment to manufacture, complicated, production run is unstable, maintenance repair rate is high, It is unable to reach the production requirement of vacuum stone.Such as the utility model patent that China Patent No. is CN201120319813.9, disclose A kind of synthetic quartz stone pressing machine, including base, the rack that is mounted on base two sides, the damping spring for being mounted on base bottom, peace Loaded on the peripheral frame and formed punch on base, it is provided with guide post on the base, axle sleeve, peripheral frame and punching are provided in peripheral frame and formed punch Head is movably connected on guide post by axle sleeve, the affixed organic top in the upper end of guide post, is provided with formed punch hydraulic cylinder and peripheral frame on machine top Hydraulic cylinder, formed punch hydraulic cylinder are connected on formed punch by hydraulic cylinder attachment base, and peripheral frame hydraulic cylinder is connected by hydraulic cylinder attachment base In in peripheral frame, the bottom of peripheral frame and formed punch connecting portion is provided with vacuum sealing item, is provided with vibrating motor on formed punch;Rack And it is provided with transmission belt above base, the both ends of transmission belt are provided with driving wheel.In the above-mentioned technical solutions, pass through hydraulic application Pressure, then vibrated by vibrating motor, but this pressing plate mode has the disadvantage that, since vibrating motor is high-frequency vibration Work, causes hydraulic system to be in the cyclic process of pressurization and release always, hydraulic to be constantly in virtual pressure state, can not be to plate Material applies enough pressure.Meanwhile vibrational system causes persistently continuous injury to the stability of complete machine.In order to meet plate at Shape needs to waste a large amount of time.Above technical scheme is properly termed as the synthesis mode of " pressure+vibration ", and entire industry is wanted always It solves the problems, such as to be how for pressure and vibration force to be combined with each other, but this problem can not solve always, seriously affect The development of vacuum stone molding equipment lacks the fast vacuum stone molding equipment of a kind of maturation, large-scale application, shaping speed always.
Utility model content
The technical problem to be solved by the utility model is to overcome the deficiency of the above-mentioned prior art, provide it is a kind of have compared with High composite force, shaping speed are fast, compactness is good, structure is simply to manufacture the molding machine of vacuum stone.
According to provided by the utility model a kind of for manufacturing the molding machine of vacuum stone, including pedestal, it is mounted on the base Weight on seat and the driver for driving the weight have material contained district on the pedestal, and the weight flops the material contained district, The bottom of the weight is provided with hammer plate, and the more driver synchronized links together, constitute one group of synchronous driving group, described Four groups of synchronous driving groups are provided at the top of weight, every two groups synchronous driving groups are linked together by synchronization mechanism.
Also there is following attached technical characteristic according to a kind of molding machine for manufacturing vacuum stone provided by the utility model:
It further comprise that the synchronization mechanism includes the synchronizing wheel being connected with synchronous driving group and the connection synchronizing wheel Synchronous belt.
Further comprise that the driver is linked together by shaft coupling, constitutes the synchronous driving group.
It further comprise that support plate is provided at the top of the weight, the synchronization mechanism is mounted in the support plate.
It further comprise that shaft is installed in the support plate, one end of the shaft passes through shaft coupling and the driving Device is connected, and the synchronizing wheel is mounted in the shaft.
It further comprise that the synchronization mechanism further includes a regulating wheel, the regulating wheel is pressed against on the synchronous belt.
Further comprising further includes a template, and hollow-out parts are formed in the middle part of the template, and the hammer plate is located at the institute It states in hollow-out parts, the edge forming of the template has wing plate, and template hydraulic cylinder, the template hydraulic cylinder are provided on the pedestal It acts against on the wing plate.
Further comprise being provided with guide post on the pedestal, guide tube is provided on the wing plate, the guide post penetrates described In guide tube.
It further comprise that weight hydraulic cylinder is provided in the template, the weight hydraulic cylinder acts against on the hammer plate.
It further comprise that step is formed on the pedestal, the template hydraulic cylinder and the guide post are arranged at described On rank.
Have compared with prior art according to a kind of molding machine for manufacturing vacuum stone provided by the utility model as follows Advantage: firstly, the utility model uses the directly continuous slap under the drive of driver of the slap weight with sufficiently large quality Vacuum stone mixture on pedestal, the air in vacuum stone mixture are discharged during slap, and various aggregates are mutual Fitting filling, forms high-intensitive, high density vacuum stone slab.The utility model simple, stable, maintenance side with structure Just, the advantages that speed of production is fast is able to satisfy lasting large-scale production needs completely.Secondly, the synchronization driving group of the utility model It synchronizes two-by-two, the further synchronous number for improving driver improves driving effect, generates higher slap power.
Detailed description of the invention
Fig. 1 is the main view of the utility model.
Fig. 2 is the top view of the utility model.
Fig. 3 is the left view of the utility model.
Fig. 4 is the main view of synchronization mechanism in the utility model.
Fig. 5 is the left view of Fig. 4.
Fig. 6 is the cross-sectional view of synchronization mechanism in the utility model.
Fig. 7 is the main view of template in the utility model.
Fig. 8 is the perspective view of template in the utility model.
Fig. 9 is the cross-sectional view of template in the utility model.
Figure 10 is enlarged drawing at A in Fig. 9.
Figure 11 is the cross-sectional view of the utility model.
Figure 12 is enlarged drawing at B in Figure 11.
Figure 13 is enlarged drawing at C in Figure 11.
Specific embodiment
Clearly to illustrate the scheme in the utility model, be given below preferred embodiment and in conjunction with attached drawing specifically It is bright.The following description is substantially only exemplary and is not intended to the application or purposes of the limitation disclosure.It should be understood that , in whole attached drawings, corresponding appended drawing reference indicates identical or corresponding component and feature.
The vacuum stone of the utility model is a kind of completely new plate, it includes the granulated aggregate and base volume of different-grain diameter Fills unit body, the fills unit body is made of fine grain solid particle filler material and liquid filler, the solid The surface of grain filler material, which has, fills the flexible liquid filling film formed, the particulate cancellous bone of each partial size by the liquid filler Material filling fitting mutually, the gap filling between the granulated aggregate have a fills unit body, the granulated aggregate and described Fills unit body forms vacuum obturator.The utility model mutually fills the granulated aggregate of different-grain diameter, large-size particles bone Expect fitting close to each other, small size particle aggregate fills the gap between large-size particles aggregate, between each particles aggregate Gap filled by fills unit body, the fills unit body is during filling, the flexible liquid filling film root on surface It deforms according to the size shape in gap, fills closely knit air in discharge gap to will have the gap as far as possible.This reality Vacuum stone is prepared with the novel principle using Magdeburg hemispheres, the vacuum stone is closer to lithotome in nature, vacuum The overall performance of stone is also close to lithotome.The specific descriptions of the utility model vacuum stone may refer to the utility model people's Earlier patent application.
Referring to Fig. 1 to Figure 13, provided by the utility model a kind of for manufacturing the molding machine of vacuum stone, including pedestal 1, It is mounted on the driver 3 of the weight 2 and the driving weight 2 on the pedestal 1, there is material contained district on the pedestal 1, it is described heavy The 2 slap material contained district of hammer, the bottom of the weight 2 are provided with hammer plate 21, and the weight 2 is formed by stacking by multi-layered board, institute The anvil structure that pedestal 1 is formed by stacking by multi-layered board is stated, the top of the weight 2 is arranged in the driver 3.This is practical new Weight in type is made using the big solid slab of weight, has biggish weight, can generate biggish hammer force, is met true The production requirement of empty stone.The pedestal 1 is also to be made of the big solid slab of weight, and weight is far longer than the weight of weight, In this way during hammering, pedestal 1 will not beat.The present embodiment is made of sheet metal, such as steel plate.This is practical new The top of weight 2 is arranged in driver 3 by type, and weight 2 can make an entirety, be hardly damaged during the work time.And it drives Dynamic device 3 is arranged at top, the driving of more convenient weight 2, and hammer effect is more preferable.Maintenance and maintenance are also more convenient.The drive Dynamic device 3 is vibrating motor.
Referring to Fig. 1 to Figure 13, further comprise in above-described embodiment that the utility model provides, the more drivers 3 synchronized links together, constitute one group of synchronous driving group 31, are provided with 2 groups or 4 groups synchronous driving groups 31 at the top of the weight 2. Weight weight in the utility model is bigger, needs multiple drivers 3 that could drive, and in order to generate biggish slap power, needs The more drivers are connected and synchronized.The synchronous driving group 31 of even number set, the rotation side of the synchronous driving group 31 are set It is arranged to according to a positive and a negative, is more favorable for driver and drives the weight 2.
It referring to Fig. 1 to Figure 13, further comprise 2 top of weight in above-described embodiment that the utility model provides Four groups of synchronous driving groups 31 are provided with, every two groups synchronous driving groups are linked together by synchronization mechanism 32.It is higher in order to generate Slap power, need as far as possible to operate synchronously the driver 3, therefore, the synchronization driving group that the utility model will rotate in same direction 31 synchronized links together so that the synchronous number of the driver 3 is as more as possible.
Referring to Fig. 1 to Figure 13, further comprise in above-described embodiment that the utility model provides, the synchronization mechanism 32 Synchronous belt 322 including the synchronizing wheel 321 and the connection synchronizing wheel 321 that are connected with synchronous driving group 31.It is described above same Step 32 structure of mechanism is simple, and synchronous effect is good.
It referring to Fig. 1 to Figure 13, further comprise that the driver 3 is logical in above-described embodiment that the utility model provides It crosses shaft coupling 33 to link together, constitutes the synchronous driving group 31.It is connected between adjacent driver 3 by shaft coupling 33, So that driver 3 is able to maintain synchronization.
Referring to Fig. 1 to Figure 13, further comprise in above-described embodiment that the utility model provides, the top of the weight 2 Portion is provided with support plate 34, and the synchronization mechanism 32 is mounted in the support plate 34.The support plate 34 is mounted on the peace On assembling platform, the support plate 34 facilitates the installation of the synchronization mechanism 32.
Referring to Fig. 1 to Figure 13, further comprise in above-described embodiment that the utility model provides, in the support plate 34 Shaft 35 is installed, one end of the shaft 35 is connected by shaft coupling 33 with the driver 3.The synchronizing wheel 321 is pacified In the shaft 35.The driver 3 drives shaft 35 to rotate, and the shaft 35 drives the synchronizing wheel 321 to rotate.From And realize that two groups of synchronous driving groups 31 are synchronous.
Referring to Fig. 1 to Figure 13, further comprise in above-described embodiment that the utility model provides, the synchronization mechanism 32 It further include a regulating wheel 323, the regulating wheel 323 is pressed against on the synchronous belt 322.The regulating wheel 323 is for adjusting institute State the elasticity of synchronous belt 322.The regulating wheel 323 is mounted on a sliding block, and the sliding block is bolted.
Referring to Fig. 1 to Figure 13, further comprise in above-described embodiment that the utility model provides, the top of the weight 2 Portion is mounting platform 22, and the driver 2 is mounted on the mounting platform 22.Multiple peaces are provided on the mounting platform 22 Hole is filled, the driver 2 is bolted on mounting hole.The mounting platform 22 is a whole plate, and whole board structure is conducive to The driver 3 operates synchronously.
It referring to Fig. 1 to Figure 13, further comprise that the weight 2 is cut in above-described embodiment that the utility model provides Face is T-type.Weight 2 in the utility model is that top is roomy, and lower part is relatively narrow, so that the hammer plate 21 of lower part is with biggish Hammer force.
Referring to Fig. 1 to Figure 13, further comprise in above-described embodiment that the utility model provides, the phase of the weight 2 It is linked together between adjacent two layers of plate by bolt 23, upper layer plate is formed with counterbore 24, and lower layer's plate is formed with threaded hole 25, the bolt 23 passes through the counterbore 24, screws in the threaded hole 25.The counterbore 24 makes bolt 23 will not projecting plate Material, so that fitting together between each plate.In order to improve the intensity connected between plate, needs to be arranged multiple bolts 23, make Its is not easy to break.
Referring to Fig. 1 to Figure 13, further comprise in above-described embodiment that the utility model provides, the phase of the pedestal 1 It is linked together between adjacent two layers of plate by bolt 11, upper layer plate is formed with counterbore 12, and lower layer's plate is formed with threaded hole 13, the bolt 11 passes through the counterbore 12, screws in the threaded hole 13.The counterbore 12 makes bolt 11 will not projecting plate Material, so that fitting together between each plate.In order to improve the intensity connected between plate, needs to be arranged multiple bolts 11, make Its is not easy to break.
Referring to Fig. 1 to Figure 13, further comprise in above-described embodiment that the utility model provides, the bolt 23,11 On be set with double retaining pads.Double retaining pads enable to bolt to lock, and are not easy to loosen.
Referring to Fig. 1 to Figure 13, further comprising in above-described embodiment that the utility model provides further includes a template 4, The middle part of the template 4 is formed with hollow-out parts 41, and the hammer plate 21 is located in the hollow-out parts 41, the side of the template 4 at Shape has wing plate 42, and template hydraulic cylinder 43 is provided on the pedestal 1, and the template hydraulic cylinder 43 acts against on the wing plate 42. The template 4 plays the role of frame material, will not material leakage around so that vacuum stone mixture is located in hollow-out parts 41.The mould For plate hydraulic cylinder 43 for driving the template 4 to go up and down, the wing plate 42 is more favorable for the installation of template hydraulic cylinder 43.
Referring to Fig. 1 to Figure 13, further comprises in above-described embodiment that the utility model provides, set on the pedestal 1 It is equipped with guide post 15, guide tube 421 is provided on the wing plate 42, the guide post 15 penetrates in the guide tube 421.15 He of guide post Guide tube 421 makes the lifting of template 4 more steady.
Referring to Fig. 1 to Figure 13, further comprise in above-described embodiment that the utility model provides, the side of the template 4 Multiple vacuum interfaces 44 are provided on side.The vacuum interface 44 is for connecting vaccum-pumping equipment.
Referring to Fig. 1 to Figure 13, further comprises in above-described embodiment that the utility model provides, set in the template 4 It is equipped with weight hydraulic cylinder 27, the weight hydraulic cylinder 27 acts against on the weight 2.The weight hydraulic cylinder 27 is for driving institute State the lifting of weight 2.
Referring to Fig. 1 to Figure 13, further comprise in above-described embodiment that the utility model provides, on the pedestal 1 at Shape has step 16, and the template hydraulic cylinder 43 and the guide post 15 are arranged on the step 16.16 convenience of step is set Template hydraulic cylinder 43 and guide post 15 are installed and are fixed.
Referring to Fig. 1 to Figure 13, further comprise in above-described embodiment that the utility model provides, the weight 2 it is upper Portion side extends outward to form protruding portion 28, and the weight hydraulic cylinder 27 acts against the protruding portion 28.28 benefit of protruding portion It is abutted against in the weight hydraulic cylinder 27.
Referring to Fig. 1 to Figure 13, further comprise in above-described embodiment that the utility model provides, the top of the template 4 Portion is provided with multilayer lip-type packing 51, and the lip-type packing 51 acts against on the side wall of the hammer plate 2, the template 4 Bottom is provided with ring type seal 52, and the ring type seal 52 acts against the material containing and takes, the template 4, the hammer plate 21 and the material containing band form the vacuum cavity of a package material, be provided with vacuum suction channel in the template 4.This is practical new The vacuum sealing of type is located at vacuum stone mixture, is only vacuum-treated to vacuum stone mixture, therefore, the utility model Vacuum drawn speed faster, sealing effect is more preferable.
Referring to Fig. 1 to Figure 13, further comprise in above-described embodiment that the utility model provides, the top of the template 4 Portion is provided with step 47, and the lip-type packing 51 is mounted on the step 47, and the top of the template 4 is provided with fixed pressure Circle 471, the pressing ring 471 is pressed against the top of the lip-type packing 51.The above-mentioned fixed structure of the utility model is simple, installation It is more convenient.
Referring to Fig. 1 to Figure 13, further comprise in above-described embodiment that the utility model provides, the bottom of the template 4 Portion is provided with mounting groove 48, and the ring type seal 52 is mounted in the mounting groove 48.It is close that annular is installed by mounting groove 48 Seal 52 is more convenient.
Above-mentioned various parts in the utility model can be obtained by market purchasing, belong to commercially available mature component.
In conclusion above said content is only the embodiments of the present invention, it is merely to illustrate the original of the utility model Reason, is not intended to limit the protection scope of the utility model.Within the spirit and principle of the utility model, made any Modification, equivalent replacement, improvement etc., should be included within the scope of protection of this utility model.

Claims (10)

1. it is a kind of for manufacturing the molding machine of vacuum stone, it is described heavy including pedestal, the weight being mounted on the pedestal and driving The driver of hammer has material contained district on the pedestal, and the weight flops the material contained district, and the bottom of the weight is provided with hammer Plate, it is characterised in that: the more driver synchronized links together, constitute one group of synchronous driving group, set at the top of the weight Four groups of synchronous driving groups are equipped with, every two groups synchronous driving groups are linked together by synchronization mechanism.
2. as described in claim 1 a kind of for manufacturing the molding machine of vacuum stone, it is characterised in that: the synchronization mechanism includes The synchronous belt of the synchronizing wheel and the connection synchronizing wheel that are connected with synchronous driving group.
3. as claimed in claim 2 a kind of for manufacturing the molding machine of vacuum stone, it is characterised in that: the driver passes through connection Axis device links together, and constitutes the synchronous driving group.
4. as claimed in claim 2 a kind of for manufacturing the molding machine of vacuum stone, it is characterised in that: set at the top of the weight It is equipped with support plate, the synchronization mechanism is mounted in the support plate.
5. as claimed in claim 4 a kind of for manufacturing the molding machine of vacuum stone, it is characterised in that: installed in the support plate There is shaft, one end of the shaft is connected by shaft coupling with the driver, and the synchronizing wheel is mounted in the shaft.
6. as claimed in claim 2 a kind of for manufacturing the molding machine of vacuum stone, it is characterised in that: the synchronization mechanism also wraps A regulating wheel is included, the regulating wheel is pressed against on the synchronous belt.
7. as described in claim 1 a kind of for manufacturing the molding machine of vacuum stone, it is characterised in that: further include a template, institute It states and is formed with hollow-out parts in the middle part of template, the hammer plate is located in the hollow-out parts, and the edge forming of the template has wing plate, institute It states and is provided with template hydraulic cylinder on pedestal, the template hydraulic cylinder acts against on the wing plate.
8. as claimed in claim 7 a kind of for manufacturing the molding machine of vacuum stone, it is characterised in that: be provided on the pedestal Guide post is provided with guide tube on the wing plate, and the guide post penetrates in the guide tube.
9. as claimed in claim 8 a kind of for manufacturing the molding machine of vacuum stone, it is characterised in that: be provided in the template Weight hydraulic cylinder, the weight hydraulic cylinder act against on the hammer plate.
10. as claimed in claim 9 a kind of for manufacturing the molding machine of vacuum stone, it is characterised in that: shaped on the pedestal There is step, the template hydraulic cylinder and the guide post are arranged on the step.
CN201821192658.7U 2018-07-25 2018-07-25 It is a kind of for manufacturing the molding machine of vacuum stone Active CN209579929U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201821192658.7U CN209579929U (en) 2018-07-25 2018-07-25 It is a kind of for manufacturing the molding machine of vacuum stone

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201821192658.7U CN209579929U (en) 2018-07-25 2018-07-25 It is a kind of for manufacturing the molding machine of vacuum stone

Publications (1)

Publication Number Publication Date
CN209579929U true CN209579929U (en) 2019-11-05

Family

ID=68372347

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201821192658.7U Active CN209579929U (en) 2018-07-25 2018-07-25 It is a kind of for manufacturing the molding machine of vacuum stone

Country Status (1)

Country Link
CN (1) CN209579929U (en)

Similar Documents

Publication Publication Date Title
AU2019204700B2 (en) Molding machine for synthesizing stone by means of beats of heavy hammer, and processing technology
CN209579929U (en) It is a kind of for manufacturing the molding machine of vacuum stone
CN108839206A (en) It is a kind of for manufacturing the molding machine of vacuum stone
CN108839207A (en) It is a kind of for manufacturing the molding machine of vacuum stone
CN209579928U (en) It is a kind of for manufacturing the molding machine of vacuum stone
CN209364914U (en) It is a kind of for manufacturing the molding machine of vacuum stone
CN108839205A (en) It is a kind of for manufacturing the molding machine of vacuum stone
CN112248190B (en) Good and low noise concrete brick make-up machine of synchronism
WO2021136126A1 (en) Preparation process and forming device for pressing granular aggregates into plate
CN211763727U (en) Forming equipment for pressing granular aggregate into plates
CN109176835A (en) It is a kind of for manufacturing the molding machine of vacuum stone
CN109129836A (en) It is a kind of for manufacturing the molding machine of vacuum stone
CN109159256A (en) It is a kind of for manufacturing the molding machine of vacuum stone
CN108995016A (en) It is a kind of for manufacturing the molding machine of vacuum stone
CN109129835A (en) It is a kind of for manufacturing the molding machine of vacuum stone
CN209971035U (en) Forming machine for manufacturing vacuum stone
CN209971031U (en) Forming machine for manufacturing vacuum stone
CN209971034U (en) Forming machine for manufacturing vacuum stone
CN209971033U (en) Forming machine for manufacturing vacuum stone
CN206229986U (en) A kind of jarring consolidated structure of microseism compression molding machine
CN207057973U (en) A kind of amplitude case assembles equipment
CN2923251Y (en) Hydraulic brick-making machine
CN201271933Y (en) Apparatus for pressing particle aggregate into synthetic sheet
CN108818887A (en) A kind of hydraulic valve damping device for vacuum stone molding machine
CN220562981U (en) Granule material filling device

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant