CN110605565B - Pressure loss prevention double-pressure-head press with self-locking function and press-in method - Google Patents
Pressure loss prevention double-pressure-head press with self-locking function and press-in method Download PDFInfo
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- CN110605565B CN110605565B CN201910874178.1A CN201910874178A CN110605565B CN 110605565 B CN110605565 B CN 110605565B CN 201910874178 A CN201910874178 A CN 201910874178A CN 110605565 B CN110605565 B CN 110605565B
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- 238000003825 pressing Methods 0.000 claims abstract description 50
- 230000000712 assembly Effects 0.000 claims abstract description 12
- 238000000429 assembly Methods 0.000 claims abstract description 12
- 238000006243 chemical reaction Methods 0.000 claims description 14
- 230000008569 process Effects 0.000 claims description 7
- 230000000903 blocking effect Effects 0.000 claims description 6
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- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 description 3
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- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 238000004080 punching Methods 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/02—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for connecting objects by press fit or for detaching same
- B23P19/027—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for connecting objects by press fit or for detaching same using hydraulic or pneumatic means
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Abstract
The invention discloses an anti-pressure loss double-pressure head press with a self-locking function and a pressing method, comprising a rack and a containing assembly arranged on the rack and used for containing a workpiece, wherein an upper pushing assembly used for pushing the workpiece upwards is arranged below the containing assembly, a pressing assembly which is arranged above the containing assembly and is arranged in a symmetrical structure is arranged on the rack in a sliding manner, and the pressing assembly can be locked by the self-locking assembly arranged on the rack; the frame is also provided with a driving component for alternatively driving the pressing component to slide up and down. The beneficial effects of the invention are mainly as follows: the press is exquisite in design, two pressing assemblies are arranged on the press, and the pressing assemblies can be automatically switched to press different workpieces, so that the press is applicable to stamping of various workpieces. Meanwhile, after the pressing components are switched, the non-working pressing components can be locked through the self-locking components, so that the influence on the working pressing components is avoided, and the working efficiency is improved.
Description
Technical Field
The invention relates to press mounting equipment, in particular to a pressure loss prevention double-pressure-head press with a self-locking function and a press-in method.
Background
According to the description of the development monitoring analysis and market prospect prediction report (2018-2025) of the global and Chinese hydraulic press industry, the presses commonly used in the automobile transmission assembly industry at present are divided into a C-type press, an H-type press and a four-column press, and in the stamping devices such as an output shaft A, an input shaft and an output shaft B, the pressing devices are mostly positioned at the bottom and the top in a simple stamping manner, but the press intelligent is adopted to press a single workpiece, other workpieces can be pressed only by replacing a pressing die, the production beat is lower, and the requirement of the automobile transmission assembly beat cannot be met. In addition, the stamping mode is extremely easy to cause stamping transition to damage the workpiece, and the stamping output shaft A, the stamping input shaft, the stamping output shaft B and the stamping output shaft B are easy to generate different states with the axes of the workpiece, so that the workpiece in the later stage can be greatly mechanically damaged, and the workpiece with low quality is scrapped.
Therefore, there is an urgent need to develop a dual-ram press for preventing press damage, which improves press coaxiality, press transition, and adapts to different workpieces.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provides an anti-pressure loss double-pressure-head press with a self-locking function and a pressing method.
The aim of the invention is achieved by the following technical scheme:
The utility model provides a prevent two pressure head presses of pressure loss with self-locking function, includes the frame and sets up the holding subassembly that is used for holding the work piece in the frame, the below of holding subassembly is equipped with the upper roof subassembly that is used for the upper roof the work piece, slide on the frame and be provided with and be located the holding subassembly top and take the symmetrical structure setting press the subassembly, press the subassembly can be by setting up the self-locking subassembly in the frame with it locks; the frame is also provided with a driving component for alternatively driving the pressing component to slide up and down.
Preferably, the pressing component comprises a support frame fixedly arranged on the frame, a guide rail is fixedly arranged on the support frame, and a guide block matched with the guide rail is arranged on the guide rail in a sliding manner; the guide block is fixedly provided with a supporting seat, the upper surface of the supporting seat is fixedly provided with a fixed block which can be connected with the driving assembly, and the lower surface of the supporting seat is fixedly provided with a pressure head assembly.
Preferably, the pressure head assembly comprises a connecting block fixedly connected with the supporting seat and with an I-shaped cross section, the lower surface of the connecting block is fixedly connected with a spring sleeve with a hollow cavity, a first spring and a pressure head which are matched with the hollow cavity are arranged in the hollow cavity, the pressure head comprises a large-diameter end and a small-diameter end which are integrally formed, one end of the first spring is fixedly connected with the connecting block, and the other end of the first spring is arranged in a containing groove of the large-diameter end in an extending mode; the small diameter end of the pressure head penetrates through the locking head fixedly connected with the spring sleeve and extends to the outside of the locking head.
Preferably, the driving assembly at least comprises a supporting plate which is arranged on the frame in a sliding manner, a conversion assembly which is used for converting rotary motion into linear motion is fixedly arranged on the supporting plate, the top end of the conversion assembly is fixedly connected with the servo motor, the bottom end of the conversion assembly is fixedly connected with a boss-shaped clamping block through a coupler, and the outer contour of the clamping block is matched with the outer contour of a convex groove arranged on the fixed block.
Preferably, the driving assembly further comprises a sliding rail fixedly arranged on the frame and a sliding block which is arranged on the sliding rail in a sliding manner and matched with the sliding rail, and the sliding block is fixedly connected with the upper surface of the supporting plate; and one side of the sliding rail is also provided with a rodless cylinder with a central axis parallel to the central axis of the sliding rail, and a linear sliding block on the rodless cylinder is fixedly connected with the supporting plate.
Preferably, the frame is further provided with a limiting block positioned at two ends of the sliding rail, the inner side surface of the limiting block is fixedly provided with a blocking head, and the blocking head can be tightly attached to the supporting plate.
Preferably, the self-locking assembly comprises a driving cylinder fixedly arranged on the frame, a cylinder shaft of the driving cylinder is fixedly connected with a supporting block, a rotating wheel capable of rotating is arranged on the supporting block in a pivot way, and the rotating wheel can be arranged in an opening of the fixed block in an extending way.
Preferably, the self-locking assembly further comprises a fixing frame fixedly arranged on the frame, a sliding rod is arranged on the fixing frame in a sliding manner through a linear bearing, one end of the sliding rod is fixedly connected with a locking block, and the locking block can be arranged in a convex groove of the fixing block in an extending manner; the other end of the baffle is fixedly connected with a baffle, a limit head is fixedly arranged on the baffle, and the limit head can be tightly attached to a trigger head fixedly arranged on the supporting block; the fixing frame is also provided with a telescopic rod in a sliding manner, a second spring is sleeved on the telescopic rod, one end of the second spring is fixedly connected with the limiting head, and the other end of the second spring is fixedly connected with the fixing frame.
Preferably, the upper jacking component comprises a supporting seat fixedly arranged on the frame, a group of servo cylinders are fixedly arranged on the supporting seat, and a jacking head capable of being arranged in the workpiece in an extending mode is fixedly arranged on a cylinder shaft of each servo cylinder.
Preferably, the accommodating component comprises a conveying bracket fixedly arranged on the frame, two rows of rollers with self-power are arranged on the conveying bracket, and the distance between the rollers is equal to the width of a bearing plate arranged on the conveying bracket for accommodating the workpiece.
A pressing method of a pressure loss prevention double-pressure head press with a self-locking function comprises the following steps:
S1, conveying a bearing plate and a workpiece arranged on the bearing plate to the position right above an upper jacking component by using a roller, starting a servo cylinder, and driving a jacking head to extend into the workpiece;
s2, starting a rodless cylinder, wherein the linear sliding block drives the supporting plate to slide through the sliding block until a trigger head arranged on the supporting plate is clung to the limit head, and the locking block slides out from the convex groove of the fixed block;
S3, starting a driving cylinder, and driving the rotating wheel to move backwards through the supporting block until the rotating wheel withdraws from the opening of the fixed block;
s4, the clamping block is arranged in the convex groove of the fixed block in an extending mode, meanwhile, the rodless cylinder is started, and the linear sliding block slides to drive the supporting plate to slide through the sliding block until the linear sliding block slides to the position right above the workpiece;
S5, starting the servo motor, and sequentially moving downwards through the conversion assembly, the coupler, the clamping block, the fixed block, the connecting block, the spring sleeve and the driving pressure head until the pressing procedure is completed.
The beneficial effects of the invention are mainly as follows:
1. The design is exquisite, compares with prior art, installs two pressing component on this press, and the accessible is automatic to switch over presses the subassembly to realize the pressure equipment to different work pieces, and the commonality is strong, applicable in the punching press of multiple work piece. Meanwhile, after the pressing components are switched, the non-working pressing components can be locked through the self-locking components, so that the influence on the working pressing components is avoided, and the working efficiency is improved;
2. the pressing head and the jacking head are positioned together, so that the vertical coaxiality of the workpiece is ensured, the workpiece is firmly fixed, the function key is always in the vertical direction, and the stamping precision is high;
3. the first spring sleeve is arranged to enable the stamping process to be soft, so that the situation that a workpiece is damaged due to excessive stamping is avoided;
4. two pressing assemblies are integrated on one press, the structure is compact, the occupied space of equipment is reduced, in addition, when the pressing head assembly of one pressing assembly is operated, the other pressing assembly can still work, the time for replacing the Y-head assembly is reduced, and the production efficiency is greatly improved.
Drawings
The technical scheme of the invention is further described below with reference to the accompanying drawings:
fig. 1: a perspective view of the present invention;
Fig. 2: the perspective view of the invention, at this time, remove the stander and hold assembly;
Fig. 3: the partial structure of the self-locking assembly is schematically shown in the invention;
fig. 4: a perspective view of the drive assembly of the present invention;
fig. 5: the first direction structure schematic diagram of the pressing component and part of the self-locking component in the invention;
fig. 6: the second direction structure of the pressing component and part of the self-locking component is schematically shown in the invention;
fig. 7: the present invention is a cross-sectional view of a printhead assembly.
Detailed Description
The present invention will be described in detail below with reference to specific embodiments shown in the drawings. The embodiments are not limited to the present invention, and structural, methodological, or functional modifications of the invention from those skilled in the art are included within the scope of the invention.
Not limiting, structural, methodological, or functional transformations of one of ordinary skill in the art based on these embodiments are included within the scope of the present invention.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the present invention, unless otherwise indicated, the meaning of "a plurality" is two or more.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art in a specific case.
The invention will be described in detail below with reference to the drawings in connection with embodiments.
As shown in fig. 1 to 7, the invention discloses a dual-pressure-head press with self-locking function and capable of preventing pressure loss, which comprises a frame 1 and a containing component 2 arranged on the frame 1 and used for containing a workpiece 100, wherein the containing component 2 comprises a conveying bracket 21 fixedly arranged on the frame 1, two rows of rollers 14 with self-power are arranged on the conveying bracket 21, and the distance between the rollers 14 is equal to the width of a bearing plate 15 arranged on the conveying bracket and used for containing the workpiece 100, so as to realize horizontal conveying of the bearing plate and the workpiece 100 thereon. In the foregoing description, the workpiece 100 may be one or more of the output shaft a, the input shaft and the output shaft B, and of course, may be other workpieces, which are not specifically limited, and all fall within the scope of the present invention.
The lower part of the accommodating component 2 is provided with an upper jacking component 7 for jacking the workpiece 100, the upper jacking component 7 comprises a supporting seat 71 fixedly arranged on the frame 1, a group of servo cylinders 72 are fixedly arranged on the supporting seat 71, and a jacking head 73 which can be arranged in the workpiece 100 in an extending manner is fixedly arranged on a cylinder shaft of the servo cylinders 72.
The design key point of the invention is as follows: the frame 1 is provided with two pressing assemblies 3 which are arranged above the accommodating assembly 2 and are symmetrically arranged, the pressing assemblies 3 can be locked by a self-locking assembly 4 arranged on the frame 1, the arrangement of the self-locking assembly 4 can prevent the pressing assemblies 3 in a non-working state from interfering the pressing assemblies 3 in a working state, and the yield in the working process is greatly improved.
In the above, the pressing component 3 includes a supporting frame 31 fixedly arranged on the frame 1, a guide rail 32 is fixedly arranged on the supporting frame 31, and a guide block matched with the guide rail 32 is slidably arranged on the guide rail 32. The guide block is fixedly provided with a supporting seat 34, the upper surface of the supporting seat 34 is fixedly provided with a fixed block 35 which can be connected with the driving component 5, and the lower surface of the supporting seat 34 is fixedly provided with a pressure head component 6. The pressure head assembly 6 comprises a connecting block 61 fixedly connected with the supporting seat 34 and having an I-shaped cross section, the lower surface of the connecting block 61 is fixedly connected with a spring sleeve 63 with a hollow cavity 62, a first spring 64 and a pressure head 65 which are matched with the hollow cavity 62 are arranged in the hollow cavity 62, the pressure head 65 comprises a large-diameter end 66 and a small-diameter end 67 which are integrally formed, one end of the first spring 64 is fixedly connected with the connecting block 61, and the other end of the first spring is arranged in a containing groove 68 of the large-diameter end 66 in an extending mode. The small diameter end 67 of the ram 65 extends through a locking head 69 fixedly connected to the spring sleeve 63 and extends outside the locking head 69. The first spring sleeve is arranged to enable the stamping process to be soft, and the situation that a workpiece is damaged due to excessive stamping is avoided.
In the invention, the self-locking assembly 4 at least comprises a driving cylinder 49 fixedly arranged on the frame 1, a cylinder shaft of the driving cylinder 49 is fixedly connected with a supporting block 491, a rotating wheel 492 capable of rotating is arranged on the supporting block 491 in a pivot way, and the rotating wheel 492 can be arranged in an opening of the fixed block 35 in an extending way. The rotating wheel 492 is extended into the opening to prevent the fixed block 35 from sliding horizontally or vertically, thereby locking the fixed block. The self-locking assembly 4 further comprises a fixing frame 41 fixedly arranged on the frame 1, a sliding rod 43 is arranged on the fixing frame 41 in a sliding manner through a linear bearing 42, one end of the sliding rod 43 is fixedly connected with a locking block 44, the locking block 44 can be arranged in the convex groove 36 of the fixing block 35 in an extending manner, the design can bear the gravity of the fixing block 35 together with the rotating wheel 492, the rotating wheel 492 can be prevented from being deformed under the action of gravity to the greatest extent, and the service life is prolonged. The other end of the sliding rod 43 is fixedly connected with a baffle 45, a limiting head 46 is fixedly arranged on the baffle 45, and the limiting head 46 can be tightly attached to a trigger head 511 fixedly arranged on the supporting plate 51. When the trigger head 511 applies a force to the limit head 46 and drives the limit head to move, the locking block 44 can withdraw from the convex groove 36 of the fixed block 35, so that the driving component enters the convex groove 36 of the fixed block 35. This design can prevent that the driving cylinder 49 drives the rotating wheel 492 to retract under the misoperation state, and the accident that the pressing assembly 3 directly falls down occurs, so that the service life is greatly prolonged.
Further, a telescopic rod 47 is further slidably disposed on the fixing frame 41, a second spring 48 is sleeved on the telescopic rod 47, one end of the second spring 48 is fixedly connected with the limiting head 46, the other end of the second spring is fixedly connected with the fixing frame 41, and the setting of the second spring 48 can play a reset role on the limiting head 46, so that the next work is facilitated, and the working efficiency is improved.
The other design key point of the invention is that: the frame 1 is also provided with a driving component 5 for alternatively driving the pressing component 3 to slide up and down. The driving assembly 5 at least comprises a supporting plate 51 slidably arranged on the frame 1, a conversion assembly 52 for converting rotary motion into linear motion is fixedly arranged on the supporting plate 51, the top end of the conversion assembly 52 is fixedly connected with a servo motor 53, the bottom end of the conversion assembly 52 is fixedly connected with a boss-shaped clamping block 55 through a coupler 54, and the outer contour of the clamping block 55 is matched with the outer contour of a convex groove 36 arranged on the fixed block 35. The servo motor 53, the conversion assembly 52 and the clamping block 55 are mutually matched to drive the pressing assembly to slide along the Z axis. In addition, the conversion element 52 for converting the rotational motion into the linear motion is known in the art, and the structure and the operation thereof are disclosed in the authorization texts such as the authorization bulletin number CN207145565U, so that the description thereof will not be repeated here.
The driving assembly 5 further comprises a sliding rail 56 fixedly arranged on the frame 1 and a sliding block 57 which is arranged on the sliding rail 56 in a sliding manner and matched with the sliding rail 56, and the sliding block 57 is fixedly connected with the upper surface of the supporting plate 51. One side of the sliding rail 56 is also provided with a rodless cylinder 58 with a central axis parallel to the central axis of the sliding rail 56, and a linear sliding block 59 on the rodless cylinder 58 is fixedly connected with the supporting plate 51. The rodless cylinder 58 is preferably used to take advantage of its small space, however, other components may be used to drive the sliding block 57 to slide, which is not described in detail herein.
The frame 1 is further provided with a limiting block 11 positioned at two ends of the sliding rail 56, the inner side surface of the limiting block 11 is fixedly provided with a blocking head 12, and the blocking head 12 can be tightly attached to the supporting plate 51. The stop head 12 can prevent the supporting plate 51 from limiting, and prevent the supporting plate 51 from sliding out of the sliding rail 56.
The working process of the invention is briefly described below, and comprises the following steps:
S1, conveying a bearing plate 15 and a workpiece 100 arranged on the bearing plate to the position right above an upper top assembly 7 by using a roller 14, starting a servo cylinder 72, and driving a top 73 to extend into the workpiece 100;
S2, starting a rodless cylinder 58, and sliding a linear sliding block 59 to drive a supporting plate 51 to slide through a sliding block 57 until a trigger head 511 arranged on the supporting plate 51 is clung to a limit head 46 and a locking block 44 slides out from a convex groove 36 of a fixed block 35;
S3, starting a driving cylinder 49, and driving the rotating wheel 492 to move backwards through the supporting block 491 until the rotating wheel 492 withdraws from the opening of the fixed block 35;
S4, the clamping block 55 is arranged in the convex groove 36 of the fixed block 35 in an extending mode, meanwhile, the rodless cylinder 58 is started, and the linear sliding block 59 slides to drive the supporting plate 51 to slide through the sliding block 57 until the linear sliding block slides to the position right above the workpiece 100;
S5, starting the servo motor 53, and moving downwards through the conversion assembly 52, the coupler 54, the clamping block 55, the fixed block 35, the connecting block 61, the spring sleeve 63 and the driving pressure head 65 in sequence until the pressing process is completed.
The beneficial effects of the invention are mainly as follows:
1. The design is exquisite, compares with prior art, installs two pressing component on this press, and the accessible is automatic to switch over presses the subassembly to realize the pressure equipment to different work pieces, and the commonality is strong, applicable in the punching press of multiple work piece. Meanwhile, after the pressing components are switched, the non-working pressing components can be locked through the self-locking components, so that the influence on the working pressing components is avoided, and the working efficiency is improved;
2. the pressing head and the jacking head are positioned together, so that the vertical coaxiality of the workpiece is ensured, the workpiece is firmly fixed, the function key is always in the vertical direction, and the stamping precision is high;
3. the first spring sleeve is arranged to enable the stamping process to be soft, so that the situation that a workpiece is damaged due to excessive stamping is avoided;
4. two pressing assemblies are integrated on one press, the structure is compact, the occupied space of equipment is reduced, in addition, when the pressing head assembly of one pressing assembly is operated, the other pressing assembly can still work, the time for replacing the Y-head assembly is reduced, and the production efficiency is greatly improved.
It should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is for clarity only, and that the skilled artisan should recognize that the embodiments may be combined as appropriate to form other embodiments that will be understood by those skilled in the art.
The above list of detailed descriptions is only specific to practical embodiments of the present invention, and they are not intended to limit the scope of the present invention, and all equivalent embodiments or modifications that do not depart from the spirit of the present invention should be included in the scope of the present invention.
Claims (6)
1. The utility model provides a prevent two pressure head presses of pressure loss with self-locking function, includes frame (1) and sets up be used for holding subassembly (2) of work piece (100) in frame (1), the below of holding subassembly (2) is equipped with and is used for the top the last top subassembly (7) of work piece (100), its characterized in that: the rack (1) is provided with pressing assemblies (3) which are arranged above the accommodating assemblies (2) in a sliding manner and are symmetrically arranged, and the pressing assemblies (3) can be locked by self-locking assemblies (4) arranged on the rack (1); the frame (1) is also provided with a driving component (5) for alternatively driving the pressing component (3) to slide up and down; The pressing assembly (3) comprises a supporting frame (31) fixedly arranged on the frame (1), a guide rail (32) is fixedly arranged on the supporting frame (31), and a guide block matched with the guide rail is arranged on the guide rail (32) in a sliding manner; a supporting seat (34) is fixedly arranged on the guide block, a fixed block (35) which can be connected with the driving component (5) is fixedly arranged on the upper surface of the supporting seat (34), and a pressure head component (6) is fixedly arranged on the lower surface of the supporting seat (34); the driving assembly (5) at least comprises a supporting plate (51) which is arranged on the frame (1) in a sliding manner, a conversion assembly (52) which is used for converting rotary motion into linear motion is fixedly arranged on the supporting plate (51), the top end of the conversion assembly (52) is fixedly connected with a servo motor (53), the bottom end of the conversion assembly (52) is fixedly connected with a boss-shaped clamping block (55) through a coupler (54), and the outer contour of the clamping block (55) is matched with the outer contour of a convex groove (36) arranged on the fixed block (35); The driving assembly (5) further comprises a sliding rail (56) fixedly arranged on the frame (1) and a sliding block (57) which is arranged on the sliding rail (56) in a sliding manner and matched with the sliding rail, and the sliding block (57) is fixedly connected with the upper surface of the supporting plate (51); a rodless cylinder (58) with a central axis parallel to the central axis of the sliding rail (56) is further arranged on one side of the sliding rail (56), and a linear sliding block (59) on the rodless cylinder (58) is fixedly connected with the supporting plate (51); the self-locking assembly (4) comprises a driving air cylinder (49) fixedly arranged on the frame (1), an air cylinder shaft of the driving air cylinder (49) is fixedly connected with a supporting block (491), a rotatable rotating wheel (492) is arranged on the supporting block (491) in a pivot way, and the rotating wheel (492) can be arranged in an opening of the fixed block (35) in an extending way; The self-locking assembly (4) further comprises a fixing frame (41) fixedly arranged on the frame (1), a sliding rod (43) is arranged on the fixing frame (41) in a sliding mode through a linear bearing (42), one end of the sliding rod (43) is fixedly connected with a locking block (44), and the locking block (44) can be arranged in a convex groove (36) of the fixing block (35) in an extending mode; the other end is fixedly connected with a baffle (45), a limit head (46) is fixedly arranged on the baffle (45), and the limit head (46) can be tightly attached to a trigger head (511) fixedly arranged on the supporting plate (51); the fixing frame (41) is further provided with a telescopic rod (47) in a sliding mode, a second spring (48) is sleeved on the telescopic rod (47), one end of the second spring (48) is fixedly connected with the limiting head (46), and the other end of the second spring is fixedly connected with the fixing frame (41).
2. The pressure loss prevention double-ram press with a self-locking function according to claim 1, wherein: the pressure head assembly (6) comprises a connecting block (61) fixedly connected with the supporting seat (34) and with an I-shaped cross section, the lower surface of the connecting block (61) is fixedly connected with a spring sleeve (63) with a hollow cavity (62), a first spring (64) and a pressure head (65) which are matched with the hollow cavity (62) are arranged in the hollow cavity, the pressure head (65) comprises a large-diameter end (66) and a small-diameter end (67) which are integrally formed, one end of the first spring (64) is fixedly connected with the connecting block (61), and the other end of the first spring is arranged in a containing groove (68) of the large-diameter end (66) in an extending mode; the small diameter end (67) of the pressure head (65) penetrates through a locking head (69) fixedly connected with the spring sleeve (63) and extends to the outside of the locking head (69).
3. The pressure loss prevention double-ram press with a self-locking function according to claim 1, wherein: the machine frame (1) is also provided with limiting blocks (11) positioned at two ends of the sliding rail (56), the inner side surface of each limiting block (11) is fixedly provided with a blocking head (12), and each blocking head (12) can be tightly attached to the supporting plate (51).
4. The pressure loss prevention double-ram press with a self-locking function according to claim 1, wherein: the upper jacking assembly (7) comprises a supporting seat (71) fixedly arranged on the frame (1), a group of servo cylinders (72) are fixedly arranged on the supporting seat (71), and jacking heads (73) which can be arranged in the workpiece (100) in an extending mode are fixedly arranged on cylinder shafts of the servo cylinders (72).
5. The pressure loss prevention double-ram press with self-locking function according to claim 4, wherein: the accommodating assembly (2) comprises a conveying support (21) fixedly arranged on the frame (1), two rows of rollers (14) with self-power are arranged on the conveying support (21), and the distance between the rollers (14) is equal to the width of a bearing plate (15) arranged on the rollers for accommodating a workpiece (100).
6. The press-in method of the double-press-head press with self-locking function according to claim 1, comprising the steps of:
s1, conveying a bearing plate (15) and a workpiece (100) arranged on the bearing plate to the position right above an upper top assembly (7) by a roller (14), starting a servo cylinder (72), and driving a top head (73) to extend into the workpiece (100);
S2, starting a rodless cylinder (58), wherein a linear sliding block (59) slides to drive a supporting plate (51) to slide through a sliding block (57) until a trigger head (511) arranged on the supporting plate (51) is clung to a limit head (46), and a locking block (44) slides out from a convex groove (36) of a fixed block (35);
s3, starting a driving cylinder (49), and driving the rotating wheel (492) to move backwards through the supporting block (491) until the rotating wheel (492) withdraws from the opening of the fixed block (35);
S4, the clamping block (55) is arranged in the convex groove (36) of the fixed block (35) in an extending mode, meanwhile, the rodless cylinder (58) is started, and the linear sliding block (59) slides to drive the supporting plate (51) to slide through the sliding block (57) until the linear sliding block slides to the position right above the workpiece (100);
S5, starting a servo motor (53), and sequentially moving downwards through a conversion assembly (52), a coupler (54), a clamping block (55), a fixed block (35), a connecting block (61), a spring sleeve (63) and a driving pressure head (65) until the pressing process is completed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910874178.1A CN110605565B (en) | 2019-09-17 | 2019-09-17 | Pressure loss prevention double-pressure-head press with self-locking function and press-in method |
Applications Claiming Priority (1)
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| CN110925268B (en) * | 2020-01-09 | 2021-09-28 | 长春工业大学 | Rotary decoupling type rodless locking cylinder of magnetic coupling type precision positioning sliding table and control method |
| CN116329919B (en) * | 2023-05-05 | 2024-02-20 | 安徽德孚转向系统股份有限公司 | Commercial car electric power steering ware spindle unit assembly frock |
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