CN213003631U - Numerical control press-mounting machine - Google Patents
Numerical control press-mounting machine Download PDFInfo
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- CN213003631U CN213003631U CN202022039016.7U CN202022039016U CN213003631U CN 213003631 U CN213003631 U CN 213003631U CN 202022039016 U CN202022039016 U CN 202022039016U CN 213003631 U CN213003631 U CN 213003631U
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Abstract
The utility model provides a pair of numerical control pressure equipment machine relates to pressure equipment technical field. The numerical control press-mounting machine comprises a rack, and a bottom plate, a transverse plate, a top plate, guide posts, a press-mounting part, a driving part and a controller which are arranged on the rack. One end of the guide post is connected with the bottom plate, and the other end of the guide post penetrates through the transverse plate and is connected with the top plate. The press-fitting part comprises a flange assembly and a press-fitting head which are connected with each other, the flange assembly is connected with the transverse plate, and the driving part is connected with the flange assembly and used for driving the flange assembly and the transverse plate to move axially along the guide column together. And a pressure sensor is arranged in the flange assembly, the pressure sensor is in signal connection with a controller, the controller is in signal connection with the driving part, and the controller is used for controlling the driving part to work according to pressure signals collected by the pressure sensor. This numerical control pressure equipment machine can improve pressure equipment efficiency and quality through pressure sensor accurate control assembly pressure, is favorable to improving the product percent of pass.
Description
Technical Field
The utility model relates to a pressure equipment technical field particularly, relates to a numerical control pressure equipment machine.
Background
The inventor researches and discovers that the conventional press fitting equipment mainly comprises a hydraulic press fitting machine, a servo hydraulic machine, a single-column hydraulic machine and the like, the press fitting precision of the press fitting equipment is difficult to control accurately, when a press fitting workpiece is assembled, products are easily scrapped due to too small or too large press fitting force, the yield is low, and materials are wasted. Therefore, the improvement of the press fitting precision is a technical problem to be solved urgently in the field.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a numerical control pressure equipment machine, its pressure equipment precision that can improve numerical control pressure equipment machine, accurate control pressure equipment power improves the product percent of pass greatly.
The embodiment of the utility model is realized like this:
in a first aspect, an embodiment of the present invention provides a numerical control press, which includes a frame, and a bottom plate, a transverse plate, a top plate, a guide post, a press-fitting member, a driving member, and a controller, which are disposed on the frame;
the bottom plate, the transverse plate and the top plate are arranged at intervals, one end of each guide column is connected with the bottom plate, and the other end of each guide column penetrates through the transverse plate and is connected with the top plate;
the press-mounting part comprises a flange assembly and a press-mounting head which are connected with each other, the flange assembly is connected with the transverse plate, and the driving part is connected with the flange assembly and is used for driving the flange assembly and the transverse plate to move axially along the guide column together;
the flange assembly is characterized in that a pressure sensor is arranged in the flange assembly, the pressure sensor is in signal connection with the controller, the controller is in signal connection with the driving piece, and the controller is used for controlling the driving piece to work according to pressure signals collected by the pressure sensor.
In an optional embodiment, the flange assembly includes a first flange seat, a second flange seat, a flange shaft and a flange plate, the first flange seat is disposed on one side of the transverse plate away from the bottom plate, the flange plate is disposed on one side of the transverse plate close to the bottom plate, the second flange seat is connected to the flange plate, and two ends of the flange shaft are respectively connected to the first flange seat and the flange plate;
the first flange seat is connected with the driving piece, the second flange seat is connected with the press-fitting head, and the pressure sensor is installed in the second flange seat.
In an alternative embodiment, the pressure sensor is disposed between the flange plate and the second flange seat, and an axis of the pressure sensor coincides with an axis of the flange shaft.
In an alternative embodiment, a threaded joint is arranged at one end of the second flange seat far away from the first flange seat, and the press-fitting head is connected with the second flange seat through the threaded joint.
In an optional embodiment, a detachable tooling fixture is arranged on the bottom plate, the tooling fixture is arranged corresponding to the press-fitting head, and a press-fitting workpiece is arranged between the press-fitting head and the tooling fixture.
In an optional embodiment, a reference hole is formed in the bottom plate, and the reference hole is used for positioning the tool clamp.
In an optional implementation manner, the tool clamp further comprises an electronic hand wheel, the electronic hand wheel is connected with the controller, the controller is connected with the tool clamp, and the controller is used for receiving a signal of the electronic hand wheel so as to control the movement of the tool clamp.
In an alternative embodiment, the number of the guide posts is four, and the guide posts are distributed at four corners of the bottom plate; be equipped with the uide bushing on the diaphragm, the uide bushing cover is established every on the guide post, just the uide bushing can be followed guide post axial displacement.
In an optional implementation manner, an interaction panel is further arranged on the rack, an operation key is arranged on the interaction panel, and the operation key is connected with the controller.
In an alternative embodiment, the drive is a servo electric cylinder.
The embodiment of the utility model provides a beneficial effect is:
the embodiment of the utility model provides a numerical control pressure equipment machine, through setting up the guide post, improve the precision that flange subassembly and pressure equipment head removed, pressure equipment power skew when preventing that the pressure equipment head from pushing down improves pressure equipment quality and efficiency. Simultaneously, be equipped with pressure sensor in the flange subassembly, pressure sensor can detect the overhead accurate pressure equipment power of pressure equipment to feedback to the controller, the action of driving piece can be controlled according to the pressure information control of feedback to the controller, makes the displacement of driving piece accurate control pressure equipment head, realizes the closed-loop control of pressure, and pressure equipment power control is more accurate, has improved the pressure equipment precision greatly, has very big popularization and application and worth.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic structural diagram of a first view angle of a numerical control press-fitting machine according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a second view angle of the numerical control press-fitting machine according to the embodiment of the present invention;
fig. 3 is a schematic view of a cross-sectional structure of the numerical control press-fitting machine provided by the embodiment of the present invention;
fig. 4 is a schematic structural diagram of a flange assembly of the numerical control press-fitting machine provided by the embodiment of the present invention.
Icon: 100-numerical control press mounting machine; 110-a rack; 111-three color lamps; 113-a light curtain; 120-a backplane; 121-guide posts; 123-a tooling clamp; 125-press fitting the workpiece; 127-a reference well; 130-a transverse plate; 131-a guide sleeve; 140-a top plate; 141-a drive member; 150-a flange assembly; 151-first flange seat; 152-a second flange seat; 153-flange plate; 154-flange shaft; 155-a pressure sensor; 160-press-fitting head; 170-interaction panel.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal", "vertical" and the like do not imply that the components are required to be absolutely horizontal or pendant, but rather may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1 to 4, the present embodiment provides a numerical control press-fitting machine 100, which is used for implementing press-fitting of a press-fitting workpiece 125, and has a wide application range, for example, the press-fitting machine can be applied to press-fitting processes in industries such as precision instruments, electronics, bearings, shaft sleeve water pumps, gearboxes, gears, automobile rear axles, subframe shock absorber bushings, etc., the press-fitting precision can be accurately controlled, and the press-fitting machine is beneficial to improving the press-fitting quality and the product yield.
The numerical control press-fitting machine 100 comprises a machine frame 110, a bottom plate 120 arranged on the machine frame 110, a transverse plate 130, a top plate 140, a guide column 121, a press-fitting part, a driving part 141 and a controller. Wherein, bottom plate 120, horizontal plate 130 and roof 140 interval set up, can understand that bottom plate 120, horizontal plate 130 and roof 140 parallel to each other interval set up, and bottom plate 120 is close to the bottom setting of frame 110, and roof 140 is close to the top setting of frame 110, and horizontal plate 130 is located between bottom plate 120 and roof 140. The guide post 121 has one end connected to the base plate 120 and the other end passing through the cross plate 130 and connected to the top plate 140. The press-fitting part comprises a flange assembly 150 and a press-fitting head 160 which are connected with each other, the flange assembly 150 is connected with the transverse plate 130, and the driving part 141 is connected with the flange assembly 150 and is used for driving the flange assembly 150 and the transverse plate 130 to move axially along the guide column 121 together. It is easy to understand that the base plate 120 is used for placing the press-fitting workpiece 125, and the press-fitting head 160 moves along the axial direction of the guide post 121 (i.e., moves up and down in the drawing) to move away from or close to the press-fitting workpiece 125, and when the press-fitting head 160 moves down to close to the press-fitting workpiece 125 and apply pressure to the press-fitting workpiece 125 for press-fitting; when the press-fitting head 160 is moved up away from the press-fitting workpiece 125, the press-fitting workpiece 125 can be replaced or taken out. The flange assembly 150 is internally provided with a pressure sensor 155 (see fig. 4), the pressure sensor 155 is connected with a controller, the controller is connected with the driving part 141, and the controller is used for controlling the driving part 141 to work according to a pressure signal acquired by the pressure sensor 155, so that the driving part 141 controls the accurate displacement of the press-fitting head 160, the closed-loop control of the press-fitting force is realized, and the control precision is higher.
Alternatively, the drive 141 employs a servo electric cylinder. The servo electric cylinder is a modularized product with a servo motor and a lead screw integrally designed, closed-loop servo control is adopted, the control precision can reach 1%, the moving precision is higher, the motion is more stable, the output force can be precisely controlled, and the assembly precision is improved. The controller and the driving member 141 can be electrically connected or wirelessly connected by signals; the controller and the pressure sensor 155 can be electrically connected or wirelessly connected by signals; the controller may be a common industrial PLC controller or a single chip microcomputer, and is not limited herein.
In this embodiment, the flange assembly 150 includes a first flange seat 151, a second flange seat 152, a flange shaft 154 and a flange plate 153, the first flange seat 151 is disposed on one side of the horizontal plate 130 away from the bottom plate 120, the flange plate 153 is disposed on one side of the horizontal plate 130 close to the bottom plate 120, the second flange seat 152 is connected to the flange plate 153, and two ends of the flange shaft 154 are respectively connected to the first flange seat 151 and the flange plate 153. The first flange seat 151 is connected to the driving member 141, the second flange seat 152 is connected to the press-fitting head 160, and the pressure sensor 155 is installed in the second flange seat 152. Furthermore, one end of the second flange seat 152 close to the horizontal plate 130 is provided with a yielding groove, the pressure sensor 155 is located in the yielding groove, and the pressure sensor 155 is fixedly connected with one side of the flange plate 153 close to the bottom plate 120 through bolts. Of course, the pressure sensor 155 may be fixed to the flange 153 by means of bonding, clipping, or screwing. In other alternative embodiments, the pressure sensor 155 may be fixed to the second flange seat 152 or to the press-fitting head 160, which is not limited in particular. The end of the second flange seat 152 away from the first flange seat 151 is provided with a threaded joint, and the press-fitting head 160 is connected to the second flange seat 152 through the threaded joint, but the second flange seat 152 and the press-fitting head 160 may also be clamped, bonded, welded or connected in other manners, which is not limited herein.
Further, the pressure sensor 155 is disposed between the flange plate 153 and the second flange seat 152, and an axis of the pressure sensor 155 coincides with an axis of the flange shaft 154 and also coincides with an axis of the press-fitting head 160, that is, the servo electric cylinder, the flange shaft 154, the pressure sensor 155 and the press-fitting head 160 are all located on the same straight line, so that the press-fitting force detected by the pressure sensor 155 is more accurate, and the press-fitting force applied by the press-fitting head 160 to the press-fitting workpiece 125 can be prevented from shifting, thereby improving the press-fitting accuracy.
In this embodiment, the number of the guide posts 121 is four, and the guide posts are distributed at four corners of the bottom plate 120. The guide post 121 and the bottom plate 120 are fixed by bolts, but may be fixed by welding, snapping, riveting or bonding, and the like, which is not limited herein. The transverse plate 130 is provided with a guide sleeve 131, the guide sleeve 131 is sleeved on each guide column 121, and the guide sleeve 131 can move axially along the guide column 121. It can be understood that the guide sleeve 131 can slide up and down along the guide column 121, that is, a gap is formed between the guide sleeve 131 and the guide column 121, the influence of the gap can be compensated by adopting four guide column structures, meanwhile, the rigidity of the structure is enhanced, and the structural reliability and the operation stability of the numerical control press-fitting machine 100 are improved.
Optionally, a detachable tooling fixture 123 is disposed on the base plate 120, the tooling fixture 123 is disposed corresponding to the press-fitting head 160, and the tooling fixture 123 is configured to mount the press-fitting workpiece 125, that is, the press-fitting workpiece 125 is located between the press-fitting head 160 and the tooling fixture 123. Furthermore, a reference hole 127 (see fig. 3) is formed in the bottom plate 120, the reference hole 127 is used for positioning the tooling fixture 123, and the reference hole 127 and the press-fitting head 160 are coaxially arranged, so that the phenomenon of clamping caused by the offset of press-fitting acting force in the press-fitting process is effectively avoided, and the press-fitting precision and the product yield are improved. This frock clamp 123 is installed on bottom plate 120 with detachable mode, can change to adapt to the pressure equipment work piece 125 of different specifications, kind, use and not receive the limitation, and be convenient for maintenance, can satisfy the demand in different model products and market, improve production efficiency, practice thrift the cost.
Further, the numerical control press-fitting machine 100 further comprises an electronic hand wheel, the electronic hand wheel is connected with a controller, the controller is connected with the tool clamp 123, and the controller is used for receiving signals of the electronic hand wheel so as to control the tool clamp 123 to move. The electronic hand wheel can control the tool clamp 123 to move, so that an automatic calibration function is realized, namely the tool clamp 123 moves to the position of the reference hole 127, the phenomenon that the press-fitting head 160 is clamped due to the deviation of press-fitting acting force in the press-fitting process is effectively avoided, and the positioning precision and the press-fitting precision are improved. The electronic hand wheel can be electrically connected with the controller or wirelessly connected as long as signal transmission can be realized. Alternatively, a zsy 1474 type hand wheel can be used as the electronic hand wheel, so that the operation safety and the positioning accuracy are improved, and of course, other types of electronic hand wheels can be used, which is not particularly limited herein. Alternatively, in other alternative embodiments, the position of the tooling fixture 123 may be manually adjusted to achieve accurate positioning.
It should be further noted that an interaction panel 170 is further disposed on the rack 110, and an operation key is disposed on the interaction panel 170, and the operation key is connected to the controller. The interactive panel 170 has a display function of displaying a pressure signal detected by the pressure sensor 155 in a numerical manner. Meanwhile, the interactive panel 170 has a human-computer interaction function, for example, through an existing PLC software control module, the slow-forward speed, the fast-forward stroke, the total stroke, the pause time, the jog speed, the upper pressure limit, the sampling interval, and the like can all be displayed numerically on the interactive panel 170, and related parameters can be input and set.
Optionally, a pressure signal detected by the pressure sensor 155 is converted into a pressure value through the data processing system, digital display is performed on the interactive panel 170 or the computer, if the pressure holding time is overtime or the pressure exceeds a preset range, an audible and visual alarm and a shutdown signal can be sent, for example, the tri-color lamp 111 at the top of the rack 110 is turned on to play a warning role, so that the purpose of automatically controlling the press-fitting force is achieved. It can be understood that the controller and the interactive panel 170 can be integrated into a whole, and also can be modules which are installed independently, control and signal transmission can be realized through a PLC, a single chip microcomputer and the like, the interactive panel 170 displays clearly, control is accurate, reaction is fast, and work is stable and reliable. In addition, the frame 110 is further provided with a light curtain 113, so that the safety of the numerical control press-fitting machine 100 in the operation process is improved, the automation and intelligence degree are improved, the production efficiency is improved, and the labor cost is reduced.
The numerical control press-fitting machine 100 can also replace different pressure sensors 155 and corresponding application software, replace matched tool fixtures 123 so as to be suitable for products with different tonnages and different types, and has the advantages of higher flexibility, wide application range, strong adaptability and reliable press-fitting quality.
The embodiment of the utility model provides a numerical control pressure equipment machine 100, its theory of operation as follows:
the workpiece 125 to be press-fitted is mounted on the tooling fixture 123, the electronic handwheel is used for controlling the tooling fixture 123 to move to the reference position of the base plate 120, namely, the working fixture moves to be matched with the reference hole 127 of the base plate 120, so that the reference positioning before press-fitting is realized, and the press-fitting force applied by the press-fitting head 160 is prevented from deviating. Of course, according to actual conditions, the work fixture 123 may be positioned, and then the workpiece 125 to be press-fitted is mounted on the work fixture 123, and the work fixture 123 may also be manually operated to achieve reference positioning, which is not specifically limited herein. The servo electric cylinder is started, the servo electric cylinder drives the transverse plate 130, the flange assembly 150 and the press-fitting head 160 to move downwards to be close to the workpiece 125 to be pressed, a vertically downward press-fitting force is applied to the workpiece 125 to be pressed, the pressure sensor 155 detects the actual press-fitting force and feeds a pressure signal back to the controller, the controller controls the servo electric cylinder to do work according to the actual press-fitting force, namely the pressure signal, for example, the controller adjusts the current or the rotating speed of the servo electric cylinder to realize that the servo electric cylinder accurately controls the displacement of the press-fitting head 160, the size of the press-fitting force realizes closed-loop servo control, the control is accurate, the press-fitting quality and efficiency are ensured, and the product percent of pass is greatly improved.
The embodiment of the utility model provides a numerical control pressure equipment machine 100 has the following beneficial effect of several aspects:
the numerical control press-fitting machine 100 is compact in structure, light in overall structure and convenient to move or carry. The closed-loop servo control of the press fitting force is realized through the pressure sensor 155, the servo electric cylinder and the controller, the control precision is high, the press fitting force is accurate and controllable, and the press fitting efficiency and quality are greatly improved. By arranging the four guide columns 121, the linear movement precision of the flange assembly 150 and the press-fitting head 160 is improved, so that the press-fitting force applied by the press-fitting head 160 is vertically downward; secondly, the base plate 120 is provided with the reference hole 127, so that the positioning accuracy of the tool clamp 123 is improved, the press-fitting force applied by the press-fitting head 160 is further enabled to vertically act on the workpiece 125 to be press-fitted, the phenomenon of clamping caused by the offset of the press-fitting force is avoided, and the press-fitting accuracy is further improved. In addition, this numerical control pressure equipment machine 100 can change different frock clamp 123, pressure sensor 155 and the software module that corresponds, can be applied to different specifications, different types of product, and the range of application is wide, and market demand is big, and the flexibility ratio is high, has very big popularization and application and worth.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A numerical control press-mounting machine is characterized by comprising a rack, and a bottom plate, a transverse plate, a top plate, a guide post, a press-mounting part, a driving part and a controller which are arranged on the rack;
the bottom plate, the transverse plate and the top plate are arranged at intervals, one end of each guide column is connected with the bottom plate, and the other end of each guide column penetrates through the transverse plate and is connected with the top plate;
the press-mounting part comprises a flange assembly and a press-mounting head which are connected with each other, the flange assembly is connected with the transverse plate, and the driving part is connected with the flange assembly and is used for driving the flange assembly and the transverse plate to move axially along the guide column together;
the flange assembly is characterized in that a pressure sensor is arranged in the flange assembly, the pressure sensor is in signal connection with the controller, the controller is in signal connection with the driving piece, and the controller is used for controlling the driving piece to work according to pressure signals collected by the pressure sensor so that the driving piece controls the displacement of the press-fitting head.
2. The numerical control press-fitting machine according to claim 1, wherein the flange assembly comprises a first flange seat, a second flange seat, a flange shaft and a flange plate, the first flange seat is arranged on one side of the transverse plate far away from the bottom plate, the flange plate is arranged on one side of the transverse plate close to the bottom plate, the second flange seat is connected with the flange plate, and two ends of the flange shaft are respectively connected with the first flange seat and the flange plate;
the first flange seat is connected with the driving piece, the second flange seat is connected with the press-fitting head, and the pressure sensor is installed in the second flange seat.
3. The numerical control press-fitting machine according to claim 2, wherein the pressure sensor is provided between the flange plate and the second flange seat, and an axis of the pressure sensor coincides with an axis of the flange shaft.
4. The numerical control press-fitting machine according to claim 2, wherein a threaded joint is provided at an end of the second flange seat remote from the first flange seat, and the press-fitting head is connected with the second flange seat through the threaded joint.
5. The numerical control press-fitting machine according to claim 1, wherein a detachable tooling fixture is arranged on the bottom plate, the tooling fixture is arranged corresponding to the press-fitting head, and a press-fitting workpiece is arranged between the press-fitting head and the tooling fixture.
6. The numerical control press-fitting machine according to claim 5, wherein a reference hole is formed in the bottom plate, and the reference hole is used for positioning the tool clamp.
7. The numerical control press-fitting machine according to claim 5, further comprising an electronic hand wheel, wherein the electronic hand wheel is connected with the controller, the controller is connected with the tooling fixture, and the controller is used for receiving a signal of the electronic hand wheel to control the movement of the tooling fixture.
8. The numerical control press-fitting machine according to claim 1, wherein the number of the guide posts is four, and the guide posts are distributed at four corners of the bottom plate; be equipped with the uide bushing on the diaphragm, the uide bushing cover is established every on the guide post, just the uide bushing can be followed guide post axial displacement.
9. The numerical control press-fitting machine according to claim 1, wherein an interaction panel is further arranged on the machine frame, an operation key is arranged on the interaction panel, and the operation key is connected with the controller.
10. The numerically controlled press according to any one of claims 1 to 9, wherein the driving member employs a servo electric cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022039016.7U CN213003631U (en) | 2020-09-16 | 2020-09-16 | Numerical control press-mounting machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022039016.7U CN213003631U (en) | 2020-09-16 | 2020-09-16 | Numerical control press-mounting machine |
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| CN213003631U true CN213003631U (en) | 2021-04-20 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113732668A (en) * | 2021-09-30 | 2021-12-03 | 广东鸿特精密技术（台山）有限公司 | Screw press-fitting equipment |
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2020
- 2020-09-16 CN CN202022039016.7U patent/CN213003631U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113732668A (en) * | 2021-09-30 | 2021-12-03 | 广东鸿特精密技术（台山）有限公司 | Screw press-fitting equipment |
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