CN111103190A - Pipe clamp for injection machine - Google Patents
Pipe clamp for injection machine Download PDFInfo
- Publication number
- CN111103190A CN111103190A CN201911326071.XA CN201911326071A CN111103190A CN 111103190 A CN111103190 A CN 111103190A CN 201911326071 A CN201911326071 A CN 201911326071A CN 111103190 A CN111103190 A CN 111103190A
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- China
- Prior art keywords
- connecting rod
- block
- rod
- fixed block
- middle sliding
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
- G01N3/04—Chucks
Abstract
The invention discloses a pipe clamp for a penetration machine, which is used for clamping a feeler lever with a feeler, and specifically comprises an upper fixed block, a middle slide block and a lower fixed block which are arranged in parallel from top to bottom; two ends of the upper fixed block are respectively penetrated with a fixed rod vertical to the upper fixed block; two ends of the lower fixed block are respectively fixed with a sliding rail vertical to the lower fixed block, and the sliding rails penetrate through the middle sliding block and are connected with the fixed rod; an upper clamping die and a lower clamping die are correspondingly arranged on two opposite surfaces of the upper fixed block and the middle slide block; a hydraulic cylinder is installed in the middle of the bottom of the lower fixing block, a piston rod on the hydraulic cylinder vertically penetrates through the lower fixing block, and the ejection end of the piston rod is hinged to a mechanical transmission structure consisting of a first connecting rod and a sixth connecting rod. The invention can complete full-automatic control, and effectively solves the problem that the existing pipe clamp is not enough in clamping force and easy to slip due to the influence of oil pressure.
Description
Technical Field
The invention relates to the technical field of static sounding devices, in particular to a pipe clamp for a penetration machine.
Background
Static sounding refers to pressing a feeler lever with a feeler into a test soil layer by using a pressure device, and determining some basic physical and mechanical properties of soil by measuring the penetration resistance of the soil by using a measuring system. The feeler lever needs to be clamped by a pipe clamp of the penetration machine to assist the pressure device to complete a feeler test.
At present, the existing static sounding pipe clamp is mostly in a hydraulic cylinder direct-pressing mode or a pure mechanical pressing mode, the hydraulic cylinder direct-pressing mode is influenced by the pressure of a hydraulic oil path, when a main oil path is in an idle state, the oil pressure is low, the clamping force of the pipe clamp is reduced, and slipping can be caused; the tube holder adopting a pure mechanical compression mode completes tube holder loosening according to a mechanical stress structure, and the automation degree is low.
Therefore, how to develop a tube holder device, which can not only ensure the automation degree thereof, but also effectively solve the problem that the existing tube holder is not enough in clamping force and easy to slip due to the influence of oil pressure, is a difficult problem to be overcome by technical personnel in the field.
Disclosure of Invention
Therefore, the invention aims to provide a pipe clamp for a penetration machine, which is used for clamping a feeler lever with a feeler, and the specific technical scheme is as follows:
comprises an upper fixed block, a middle sliding block and a lower fixed block which are arranged in parallel from top to bottom; two ends of the upper fixing block are respectively penetrated with a fixing rod vertical to the upper fixing block; two ends of the lower fixed block are respectively fixed with a sliding rail vertical to the lower fixed block, and the sliding rails penetrate through the middle sliding block and are connected with the fixed rod;
an upper clamping die and a lower clamping die for clamping the feeler lever are correspondingly arranged on two opposite surfaces of the upper fixed block and the middle slide block;
a hydraulic cylinder is arranged in the middle of the bottom of the lower fixed block, a piston rod on the hydraulic cylinder vertically penetrates through the lower fixed block, and a first connecting rod and a second connecting rod are hinged to the ejection end of the piston rod; four connecting rod seats are correspondingly arranged on two opposite surfaces of the lower fixed block and the middle sliding block, and are respectively arranged on two sides of the lower fixed block and the middle sliding block and positioned between the two sliding rails; connecting rods are hinged to the connecting rod seats, the connecting rods on the lower fixing block are a third connecting rod and a fourth connecting rod, the connecting rods on the middle sliding block are a fifth connecting rod and a sixth connecting rod, the third connecting rod is vertically opposite to the fifth connecting rod, and the fourth connecting rod is vertically opposite to the sixth connecting rod; the end part of the third connecting rod, which is far away from the lower fixed block, the end part of the fifth connecting rod, which is far away from the middle sliding block, and the three ends of the end part of the first connecting rod, which is far away from the piston rod, are hinged together at one point; the end part of the fourth connecting rod, which is far away from the lower fixed block, the end part of the sixth connecting rod, which is far away from the middle sliding block, and the three ends of the end part of the second connecting rod, which is far away from the piston rod, are hinged together at one point.
The invention adopts a hydraulic cylinder structure, so that the static sounding equipment provided by the invention can complete full-automatic control.
Simultaneously, the mechanics transmission structure that comprises first connecting rod to sixth connecting rod can realize in addition the piston rod of pneumatic cylinder: the process of switching from a loosening state to a clamping state, the movement speed of the middle slide block gradually changes from high to low, the clamping force gradually increases, and the clamping position is stable and is not influenced by the oil pressure in the clamping state; in the process of changing from the clamping state to the loosening state, the moving speed of the middle slide block gradually increases from low to high, and the clamping force gradually decreases from high to low. The invention effectively solves the problem that the existing pipe clamp is influenced by oil pressure, has insufficient clamping force and is easy to slip.
On the basis of the technical scheme, the invention can be improved as follows:
preferably, the upper fixing block is detachably connected with the upper clamping die, and the middle sliding block is detachably connected with the lower clamping die.
The detachable connecting structure enables the upper clamping die and the lower clamping die to be replaced at any time so as to be suitable for clamping feeler levers of different types.
Preferably, a groove is formed in the middle of the top of the lower fixing block, and the groove is an accommodating space of a hinged portion of the piston rod, the first connecting rod and the second connecting rod.
When the pipe clamp is in a loose state, the structure part of the piston rod, the first connecting rod and the second connecting rod which are hinged can enter the groove, so that the distance between the lower fixing block and the middle sliding block can be effectively shortened, and the size of the whole pipe clamp is further reduced.
Preferably, the recess is a circular or oval recess to accommodate the configuration of the circular hinged end of the piston rod and connecting rod.
Preferably, the fixing rod is a threaded rod, and the upper fixing block is fixed on the threaded rod through an upper adjusting nut and a lower adjusting nut.
Go up the fixed block and fix through threaded rod and adjusting nut, adjusting nut can adjust the distance between two upper and lower clamp moulds, and the effect can the touch probe rod of different diameters of centre gripping.
Preferably, the length of the first link is the same as or substantially the same as the vertical distance between the piston rod and the third link seat; the length of the second connecting rod is the same as or substantially the same as the vertical distance between the piston rod and the fourth connecting rod seat.
The design aims at that when the mechanical transmission mechanism is converted from the loosening state to the clamping state, the middle sliding block moves upwards all the time, and the situation that the middle sliding block slides downwards after moving to the topmost end is avoided.
Preferably, when the first connecting rod and the second connecting rod move to be in a horizontal state, the third connecting rod and the fifth connecting rod, and the fourth connecting rod and the sixth connecting rod are in a vertical or nearly vertical state, so that the third connecting rod, the fourth connecting rod, the fifth connecting rod and the sixth connecting rod can fully utilize the rod length of the third connecting rod, the fourth connecting rod, the fifth connecting rod and the sixth connecting rod, and the highest position which can be reached by the middle sliding block is also achieved.
Compared with the prior art, the invention has the following advantages:
(1) the contact probe rod has an adjusting nut structure and a replaceable die clamping structure, so that the pipe clamp can clamp various types of contact probe rods.
(2) The hydraulic cylinder is arranged, so that the static sounding equipment can be fully automatically controlled.
(3) The pipe clamping device has a unique mechanical transmission mechanism, and can effectively solve the problem that the existing pipe clamping device is influenced by oil pressure, has insufficient clamping force and is easy to slip.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a schematic view of the pipe clamp in a clamping state.
Fig. 2 is a schematic view of the pipe clamp in an unclamped state.
Fig. 3 is a side view of the tube holder of the present invention.
Wherein, in the figure,
1-upper fixed block, 2-middle slide block, 3-lower fixed block, 4-threaded rod, 5-adjusting nut, 6-sliding rail, 7-upper clamping die, 8-lower clamping die, 9-hydraulic cylinder, 10-piston rod, 11-connecting rod seat, 12-first connecting rod, 13-second connecting rod, 14-third connecting rod, 15-fourth connecting rod, 16-fifth connecting rod, 17-sixth connecting rod and 18-groove.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
Example (b):
a tube holder for a penetrometer according to an embodiment of the invention is described in detail below with reference to fig. 1-3.
As shown in fig. 1 to 3, the embodiment of the invention discloses a pipe clamp for a penetration machine, and more specifically, the pipe clamp is applied to a penetration machine of a static sounding experiment instrument, and is used for clamping a sounding rod with a sounding head to assist a pressure device in completing a sounding experiment.
The pipe clamp comprises an upper fixing block 1, a middle sliding block 2 and a lower fixing block 3 which are arranged in parallel from top to bottom.
Two ends of the upper fixing block 1 are respectively penetrated with a threaded rod 4 vertical to the upper fixing block, and the upper fixing block 1 is fixed on the threaded rod 4 through four upper and lower screwed adjusting nuts 5.
Two ends of the lower fixed block 3 are respectively fixed with a slide rail 6 vertical to the lower fixed block, and the slide rail 6 passes through the middle slide block 2 and is just connected with the threaded rod 4.
Go up and correspond on fixed block 1 and the relative two faces of middle slider 2 and install the last die clamper 7 that presss from both sides, lower die clamper 8 that are used for the centre gripping feeler lever, go up fixed block 1 and press from both sides die clamper 7, middle slider 2 and press from both sides the connection between the die clamper 8 down and be the detachable connection, and then make upper and lower die clamper 8 removable to the feeler lever of different models is held in the clamp. Meanwhile, the adjusting nut 5 can adjust the distance between the two clamping dies by adjusting the upper fixing block 1 so as to clamp the feeler levers with different diameters.
A hydraulic cylinder 9 is arranged in the middle of the bottom of the lower fixing block 3, a piston rod 10 on the hydraulic cylinder 9 vertically penetrates through the lower fixing block 3, and the ejection end of the piston rod 10 is hinged with a first connecting rod 12 and a second connecting rod 13; the four connecting rod seats 11 are correspondingly arranged on two opposite surfaces of the lower fixed block 3 and the middle slide block 2, and the four connecting rod seats 11 are respectively arranged on two sides of the lower fixed block 3 and the middle slide block 2 and are positioned between the two slide rails 6; connecting rods are hinged on the connecting rod seats 11, the connecting rods on the lower fixing block 3 are a third connecting rod 14 and a fourth connecting rod 15, the connecting rods on the middle sliding block 2 are a fifth connecting rod 16 and a sixth connecting rod 17, the third connecting rod 14 is vertically opposite to the fifth connecting rod 16, and the fourth connecting rod 15 is vertically opposite to the sixth connecting rod 17; the end part of the third connecting rod 14 far away from the lower fixed block 3, the end part of the fifth connecting rod 16 far away from the middle sliding block 2 and the end part of the first connecting rod 12 far away from the piston rod 10 are hinged together at one point; the end part of the fourth connecting rod 15 far away from the lower fixed block 3, the end part of the sixth connecting rod 17 far away from the middle sliding block 2 and the end part of the second connecting rod 13 far away from the piston rod 10 are hinged together at one point.
The length of the first link 12 is the same or substantially the same as the vertical distance between the piston rod 10 and the third link 14; likewise, the length of the second link 13 is the same or substantially the same as the vertical distance between the piston rod 10 and the fourth link 15.
When the first link 12 and the second link 13 move to be in the horizontal state, the third link 14 and the fifth link 16, and the fourth link 15 and the sixth link 17 are in the vertical or near vertical state.
The mechanical transmission mechanism in the invention is a completely symmetrical mechanism in an optimized state, namely the first connecting rod 12 and the second connecting rod 13 have the same specification, and the third connecting rod 14, the fourth connecting rod 15, the fifth connecting rod 16 and the sixth connecting rod 17 have the same specification, so that the middle sliding block 2 can stably move up and down along the sliding rail 6.
In order to further optimize the technical solution of the above embodiment, a circular or oval groove 18 is formed in the middle position of the top of the lower fixing block 3, and the groove 18 is a space for accommodating the hinged portion of the piston rod 10, the first connecting rod 12, and the second connecting rod 13.
The working process of the invention from the loosening state to the clamping state is as follows: as shown in fig. 1, when the hydraulic cylinder 9 is not working, the pipe clamp is in a loose state; the piston rod 10 in the hydraulic cylinder 9 is ejected out, and drives the first connecting rod 12 and the second connecting rod 13 hinged with the piston rod to gradually change from an original close vertical state to a horizontal state, meanwhile, the other ends of the first connecting rod 12 and the second connecting rod 13 can push the third connecting rod 14, the fifth connecting rod 16, the fourth connecting rod 15 and the sixth connecting rod 17 hinged at the ends to gradually assume a vertical state or a close vertical state, and further push the middle slider 2 to move upwards, and finally assume a clamping state shown in fig. 2, wherein in the clamping state, the first connecting rod 12 and the second connecting rod 13 assume a close 180-degree state, the third connecting rod 14 and the fifth connecting rod 16 assume a close 180-degree state, and the fourth connecting rod 15 and the sixth connecting rod 17 assume a close 180-degree state.
The operation process of the pipe clamping device from the clamping state to the loosening state is opposite to the operation process.
The mechanical transmission mechanism of the invention is characterized in that: in the process of switching from a loosening state to a clamping state, the movement speed of the middle slide block 2 gradually changes from high to low, the clamping force gradually increases, and the clamping position is stable and is not influenced by the oil pressure in the clamping state; in the process of changing from the clamping state to the loosening state, the moving speed of the middle slide block 2 gradually increases from low to high, and the clamping force gradually decreases from high to low.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (7)
1. A tube holder for a penetration machine is used for holding a feeler lever with a feeler, and is characterized by comprising an upper fixed block (1), a middle sliding block (2) and a lower fixed block (3) which are arranged in parallel from top to bottom;
two ends of the upper fixing block (1) are respectively penetrated with a fixing rod vertical to the upper fixing block; two ends of the lower fixed block (3) are respectively fixed with a sliding rail (6) vertical to the lower fixed block, and the sliding rails (6) penetrate through the middle sliding block (2) and are connected with the fixed rod;
an upper clamping die (7) and a lower clamping die (8) for clamping the feeler lever are correspondingly arranged on two opposite surfaces of the upper fixed block (1) and the middle sliding block (2);
a hydraulic cylinder (9) is installed in the middle of the bottom of the lower fixing block (3), a piston rod (10) on the hydraulic cylinder (9) vertically penetrates through the lower fixing block (3), and a first connecting rod (12) and a second connecting rod (13) are hinged to the ejection end of the piston rod (10); two opposite surfaces of the lower fixed block (3) and the middle sliding block (2) are correspondingly provided with four connecting rod seats (11), and the four connecting rod seats (11) are respectively arranged at two sides of the lower fixed block (3) and the middle sliding block (2) and are positioned between the two sliding rails (6); connecting rods are hinged to the connecting rod seats (11), the connecting rods on the lower fixing blocks (3) are a third connecting rod (14) and a fourth connecting rod (15), the connecting rods on the middle sliding blocks (2) are a fifth connecting rod (16) and a sixth connecting rod (17), the third connecting rod (14) is vertically opposite to the fifth connecting rod (16), and the fourth connecting rod (15) is vertically opposite to the sixth connecting rod (17); the end part of the third connecting rod (14) far away from the lower fixed block (3), the end part of the fifth connecting rod (16) far away from the middle sliding block (2) and the end part of the first connecting rod (12) far away from the piston rod (10) are hinged together at one point; the end part of the fourth connecting rod (15) far away from the lower fixed block (3), the end part of the sixth connecting rod (17) far away from the middle sliding block (2) and the end part of the second connecting rod (13) far away from the piston rod (10) are hinged together at one point.
2. The pipe clamp for the injection molding machine according to claim 1, wherein the upper fixing block (1) and the upper clamping die (7) and the middle sliding block (2) and the lower clamping die (8) are detachably connected.
3. The pipe clamp for the penetrating machine according to claim 1, wherein a groove (18) is formed in the middle of the top of the lower fixing block (3), and the groove (18) is a space for accommodating the hinged portion of the piston rod (10) with the first connecting rod (12) and the second connecting rod (13).
4. A tube holder for a penetrometer according to claim 3, characterized in that the groove (18) is circular or oval.
5. The tube holder for a penetrometer as claimed in claim 1, characterized in that the fixing rod is a threaded rod (4), and the upper fixing block (1) is fixed to the threaded rod (4) by means of four upper and lower adjusting nuts (5).
6. The tube holder for a penetrometer according to claim 1, characterized in that the length of the first connecting rod (12) is the same or substantially the same as the vertical distance between the piston rod (10) and the rod seat of the third connecting rod (14); the length of the second connecting rod (13) is the same or basically the same as the vertical distance between the piston rod (10) and the connecting rod seat of the fourth connecting rod (15).
7. The tube holder for a penetrometer according to claim 1 or 6, characterized in that the third link (14) and the fifth link (16) and the fourth link (15) and the sixth link (17) are in a vertical or near vertical state when the first link (12) and the second link (13) are moved to a horizontal state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911326071.XA CN111103190A (en) | 2019-12-20 | 2019-12-20 | Pipe clamp for injection machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911326071.XA CN111103190A (en) | 2019-12-20 | 2019-12-20 | Pipe clamp for injection machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111103190A true CN111103190A (en) | 2020-05-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911326071.XA Pending CN111103190A (en) | 2019-12-20 | 2019-12-20 | Pipe clamp for injection machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111103190A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112846869A (en) * | 2020-12-03 | 2021-05-28 | 深圳市豪华科技有限公司 | Clamping self-locking mechanism for mold |
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| JPH11179462A (en) * | 1997-12-24 | 1999-07-06 | Amada Eng Center Co Ltd | Method and device for work clamping in plate working machine |
| CN201560796U (en) * | 2009-11-19 | 2010-08-25 | 湖南金能科技股份有限公司 | Claw type delivery rubber tube feeding device |
| CN201906889U (en) * | 2010-12-24 | 2011-07-27 | 唐山市丰润区鑫源机械制造有限公司 | Track clamping device of metallurgical hot sawing machine |
| CN106956151A (en) * | 2017-04-28 | 2017-07-18 | 湖州多玛节能科技有限公司 | A kind of intermetallic composite coating fixing device |
| CN206405779U (en) * | 2016-12-24 | 2017-08-15 | 天津市宝坻区华兴源铁艺加工厂 | A kind of steel pipe bidirectional punching clamping device |
| CN206825014U (en) * | 2017-05-05 | 2018-01-02 | 无锡先导智能装备股份有限公司 | Clamping device |
| CN208147876U (en) * | 2018-05-18 | 2018-11-27 | 瑞智(青岛)精密机电有限公司 | Clip claw mechanism is used in a kind of clamping of compressor components |
| CN109540470A (en) * | 2018-11-22 | 2019-03-29 | 安徽万源信息科技有限公司 | Trolley is used in a kind of test of computer display |
| CN209418701U (en) * | 2019-03-20 | 2019-09-20 | 无锡先导智能装备股份有限公司 | Battery core fixture and four-in-one molding equipment |
| CN209773268U (en) * | 2018-12-11 | 2019-12-13 | 天津市亿腾顺泰建筑材料有限公司 | Clamp for steel pipe production and processing |
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2019
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Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11179462A (en) * | 1997-12-24 | 1999-07-06 | Amada Eng Center Co Ltd | Method and device for work clamping in plate working machine |
| CN201560796U (en) * | 2009-11-19 | 2010-08-25 | 湖南金能科技股份有限公司 | Claw type delivery rubber tube feeding device |
| CN201906889U (en) * | 2010-12-24 | 2011-07-27 | 唐山市丰润区鑫源机械制造有限公司 | Track clamping device of metallurgical hot sawing machine |
| CN206405779U (en) * | 2016-12-24 | 2017-08-15 | 天津市宝坻区华兴源铁艺加工厂 | A kind of steel pipe bidirectional punching clamping device |
| CN106956151A (en) * | 2017-04-28 | 2017-07-18 | 湖州多玛节能科技有限公司 | A kind of intermetallic composite coating fixing device |
| CN206825014U (en) * | 2017-05-05 | 2018-01-02 | 无锡先导智能装备股份有限公司 | Clamping device |
| CN208147876U (en) * | 2018-05-18 | 2018-11-27 | 瑞智(青岛)精密机电有限公司 | Clip claw mechanism is used in a kind of clamping of compressor components |
| CN109540470A (en) * | 2018-11-22 | 2019-03-29 | 安徽万源信息科技有限公司 | Trolley is used in a kind of test of computer display |
| CN209773268U (en) * | 2018-12-11 | 2019-12-13 | 天津市亿腾顺泰建筑材料有限公司 | Clamp for steel pipe production and processing |
| CN209418701U (en) * | 2019-03-20 | 2019-09-20 | 无锡先导智能装备股份有限公司 | Battery core fixture and four-in-one molding equipment |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112846869A (en) * | 2020-12-03 | 2021-05-28 | 深圳市豪华科技有限公司 | Clamping self-locking mechanism for mold |
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Application publication date: 20200505 |
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