CN220180214U - Integrated mechanism of crankshaft longitudinal-release connecting rod and sliding block of press - Google Patents
Integrated mechanism of crankshaft longitudinal-release connecting rod and sliding block of press Download PDFInfo
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- CN220180214U CN220180214U CN202321460278.8U CN202321460278U CN220180214U CN 220180214 U CN220180214 U CN 220180214U CN 202321460278 U CN202321460278 U CN 202321460278U CN 220180214 U CN220180214 U CN 220180214U
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- sliding block
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Abstract
The utility model discloses a mechanism integrating a crankshaft longitudinal connecting rod and a sliding block of a press machine, which comprises a machine body, wherein a mounting cavity extending along the height direction of the machine body is formed in the machine body; the connecting rod is arranged in the mounting cavity; the crankshaft is horizontally and longitudinally arranged in the mounting cavity and penetrates through the connecting rod, the middle section of the crankshaft is not coaxial with the rotating connecting sections at the two ends, the middle section of the crankshaft is connected with the connecting rod through a moving pair, and the crankshaft can be driven to horizontally rotate relative to the machine body so as to drive the connecting rod to vertically move; the sliding block is connected to the bottom of the connecting rod and driven by the movement of the connecting rod to move vertically. The crankshaft is arranged on the connecting rod in a penetrating manner and is connected with the connecting rod through the moving pair to form an integrated structure, the structure is more compact, the sliding block is connected to the bottom of the connecting rod, the height of the connecting rod is not required to be large, and the body height of the press machine can be effectively reduced. In addition, by the aid of the structural design, lateral force of the sliding block is smaller, and higher precision is achieved.
Description
Technical Field
The utility model relates to the technical field of presses, in particular to a mechanism integrating a crankshaft longitudinal connecting rod and a sliding block of a press.
Background
The press is a universal tool with exquisite structure, and has the characteristics of wide application, high production efficiency and the like. The press can be widely applied to cutting, punching, bending, forming and other processes, and the press can be used for processing a part by applying strong pressure to a metal blank to enable the metal to be subjected to plastic deformation and fracture.
The prior art press, for example, CN216420762U discloses a double-acting press, which comprises a press body, a crankshaft, a first driving device, an outer slide block, an inner slide block, an eccentric gear and a second driving device. The outer slider is connected on the bent axle through outer slider connecting rod, and the inner slider is connected on eccentric gear through the inner slider connecting rod, and eccentric gear rotates to be connected on the bent axle. The press with the structure is driven by two sets of relatively independent systems through the inner slide block and the outer slide block respectively, so that accurate control is realized. However, this structure has the disadvantage that the connecting rod and the slider are separate structures and are connected together vertically, i.e. in the height direction of the fuselage, by means of the connecting rod pin, so that the overall fuselage is high, which cannot meet the requirements of some scenes requiring a low height. Therefore, it is necessary to develop a novel mechanism for integrally longitudinally arranging the connecting rod and the sliding block on the crank shaft of the press machine to solve the problems.
Disclosure of Invention
Aiming at least one of the technical problems, the utility model aims to provide a mechanism for integrally longitudinally arranging a connecting rod and a sliding block of a crank shaft of a press machine.
The technical scheme of the utility model is as follows:
the utility model aims to provide a mechanism integrating a crankshaft longitudinal connecting rod and a sliding block of a press machine, which comprises the following components:
the machine body is provided with an installation cavity extending along the height direction of the machine body;
the connecting rod is arranged in the mounting cavity;
the crankshaft is horizontally and longitudinally arranged in the mounting cavity and penetrates through the connecting rod, the middle section of the crankshaft is not coaxial with the rotating connecting sections at the two ends, the middle section of the crankshaft is connected with the connecting rod through a moving pair, and the crankshaft can be driven to horizontally rotate relative to the machine body so as to drive the connecting rod to vertically move;
the sliding block is connected to the bottom of the connecting rod and driven by the movement of the connecting rod to move vertically.
Compared with the prior art, the utility model has the advantages that:
according to the mechanism for integrating the crankshaft longitudinally-placed connecting rod and the sliding block of the press, the crankshaft longitudinally-placed ice is arranged on the connecting rod in a penetrating mode, the crankshaft longitudinally-placed ice and the connecting rod are connected together through the moving pair to form an integrated structure, the structure is more compact, the sliding block is connected to the bottom of the connecting rod, the height of the connecting rod is not required to be large, and the body height of the press can be effectively reduced. In addition, by the aid of the structural design, lateral force of the sliding block is smaller, and higher precision is achieved.
Drawings
The utility model is further described below with reference to the accompanying drawings and examples:
FIG. 1 is a schematic perspective view of a mechanism for integrally longitudinally arranging a connecting rod and a sliding block on a crank shaft of a press machine according to an embodiment of the utility model;
FIG. 2 is a cross-sectional view of the horizontal transverse, vertically downward, half-section of the integrated crankshaft, longitudinally displaced connecting rod and slide mechanism of the press of FIG. 1;
FIG. 3 is a block diagram of the machine body of the mechanism integrating the crank longitudinal connecting rod and the slide block of the press machine according to the embodiment of the utility model;
FIG. 4 is a schematic view of a crankshaft of a mechanism integrating a vertical crankshaft with a connecting rod and a sliding block of the press machine according to the embodiment of the utility model;
FIG. 5 is a schematic view of the structure of a connecting rod of a mechanism with a connecting rod and a slider integrally arranged on a crank shaft of a press machine according to an embodiment of the present utility model;
fig. 6 is a schematic view of the structure of a slide block of a mechanism integrating a slide block of a vertical crankshaft connecting rod of a press machine according to an embodiment of the present utility model.
Wherein: 10. a machine body; 11. a mounting cavity; 12. a turning hole; 13. a connecting plate; 14. connecting a guide rod; 20. a crankshaft; 21. an intermediate section; 22. rotating the connecting section; 30. a connecting rod; 31. a chute; 32. a guide cavity; 33. a first connection structure; 40. a slider; 50. a slide block; 51. and a second connection structure.
Detailed Description
The objects, technical solutions and advantages of the present utility model will become more apparent by the following detailed description of the present utility model with reference to the accompanying drawings. It should be understood that the description is only illustrative and is not intended to limit the scope of the utility model. In addition, in the following description, descriptions of well-known structures and techniques are omitted so as not to unnecessarily obscure the present utility model.
The utility model relates to a mechanism integrating a crankshaft longitudinally-arranged connecting rod and a sliding block of a press machine, which is shown in fig. 1 to 6, and mainly comprises a machine body 10, a crankshaft 20, a connecting rod 30, a sliding block 50 and a driving device. As shown in fig. 1 and 3, the machine body 10 is a square frame surrounded by four upright posts and hollow inside, and the upper and lower ends are provided with a square block body penetrating up and down to form an inner cavity, for convenience of description, the inner cavity of the square block body at the upper end is described as an installation cavity 11, and the inner cavity of the square block body at the lower end is described as an avoidance cavity through which the sliding block 50 is displaced. The crankshaft 20 and the connecting rod 30 are both mounted in the mounting cavity 11. The two ends of the crankshaft 20 are rotatably fitted to both side walls of the installation cavity 11. Specifically, the crankshaft 20 is horizontally and longitudinally, that is, two ends of the crankshaft 20, that is, the rotating connection sections 22 are respectively and rotatably fitted on the front and rear side walls of the installation cavity 11 as shown in fig. 2 (as shown in fig. 3, rotating holes 12 for rotatably fitting the ends of the crankshaft 20 are formed on two opposite side walls of the installation cavity 11), and the crankshaft 20 is arranged on the connecting rod 30 in a penetrating manner and is connected with the connecting rod 30 through a moving pair. One end of the crankshaft 20 extends beyond one side wall of the mounting cavity 11 so as to be connectable with a drive device (not shown), such as a conventional motor and gear. As shown in fig. 4, the intermediate section 21 of the crankshaft 20 and the rotational connecting sections 22 at both ends are not coaxial, that is, the intermediate section 21 of the crankshaft 20 has a higher time than the rotational connecting sections 22 and a lower time than the rotational connecting sections 22 during rotation of the crankshaft 20. The slider 50 is disposed at the bottom of the link 30. According to the mechanism for integrally longitudinally arranging the slide blocks 50 of the connecting rods 30 on the crankshaft 20 of the press machine, the crankshaft 20 is longitudinally arranged and penetrates through the connecting rods 30 and is connected with the connecting rods 30 through the moving pair to form an integral structure, the crankshaft 20 is driven to rotate around the horizontal longitudinal axis by the driving device, and the middle section 21 matched with the crankshaft 20 and the connecting rods 30 is not coaxial with the two ends, namely, the middle section 21 has a height difference in the vertical direction in the rotating process of the crankshaft 20, so that the connecting rods 30 can be driven to move in the vertical direction, namely the height direction of the machine body 10 or the up-down direction as shown in fig. 2, and the slide blocks 50 at the bottom are driven to move in the vertical direction. Compared with the technical scheme that the connecting rod 30 and the sliding block 50 are of independent structures and are vertically connected together, the press provided by the utility model has the advantages that the crankshaft 20 is longitudinally arranged on the connecting rod 30 in a penetrating manner, the two parts are connected together through the moving pair to form an integrated structure, the structure is more compact, the sliding block 50 is connected to the bottom of the connecting rod 30, the height of the connecting rod 30 is not required to be large, and the machine body height of the press can be effectively reduced.
According to some preferred embodiments of the present utility model, as shown in fig. 2, a slide block 50 is provided on the middle section 21 of the crankshaft 20, a slide groove 31 is provided on the connecting rod 30, and the slide groove 31 extends in a horizontal lateral direction, i.e., a left-right direction as shown in fig. 2, and extends horizontally and longitudinally, i.e., longitudinally, through the connecting rod 30, i.e., front-back as shown in fig. 2. The width of the sliding slot 31 is larger than the width of the sliding member 40, so that the sliding member 40 can slide horizontally and transversely in the sliding slot 31 when the crankshaft 20 rotates, thereby providing a moving space for the sliding member 40 to move relative to the connecting rod 30 and avoiding motion interference. That is, the chute 31 and the slider 40 constitute a pair of moving pairs. The sliding pair adopts the matched arrangement of the sliding groove 31 and the sliding piece 40, namely the press machine of the utility model, the lateral force of the sliding block 50 is provided by the sliding friction force between the sliding piece 40 and the connecting rod 30, while the lateral force of the sliding block 50 in the press machine of the prior art is provided by the self force of the connecting rod 30 plus the nominal force, namely the lateral force of the sliding block 50 of the utility model is smaller, thereby illustrating that the press machine of the utility model has higher precision. The shapes of the slider 40 and the chute 31 are not limited to the square shape shown in fig. 2. But may also be circular, etc. As an alternative embodiment, the chute 31 does not have to extend horizontally longitudinally through the link 30.
According to some preferred embodiments of the present utility model, as shown in fig. 2 and 5, the number of crankshafts 20 is two, and two crankshafts 20 are disposed in parallel and spaced relation in the horizontal lateral direction, i.e., the left-right direction as shown. Correspondingly, as shown in fig. 5, the connecting rod 30 is a square connecting rod 30, and the width, i.e. the length, of the horizontal transverse direction is larger than the height of the vertical direction, compared with the connecting rod 30 extending vertically in the prior art, the connecting rod 30 of the embodiment of the utility model is beneficial to reducing the height of the whole machine body 10. The connecting rod 30 is provided with a left sliding groove 31 and a right sliding groove 31, the two sliding grooves 31 are arranged at intervals along the horizontal transverse direction, namely left and right as shown in fig. 2, and the two sliding grooves 31 and the two sliding pieces 40 on the two crankshafts 20 are in one-to-one correspondence to form a moving pair. That is, the connecting rod 30 is connected to the two crankshafts 20 by two pairs of movements, respectively. With the design of the two crankshafts 20, the two slides 40 and the two runners 31, it is possible to provide sufficient driving force for the sliding vertical movement. Alternatively, the number of crankshafts 20 may be one, three, etc. Correspondingly, the number of the sliding members 40 and the sliding grooves 31 may be one, three, etc.
According to some preferred embodiments of the present utility model, at least one connection plate 13 is provided at the top ends of the two opposite side walls of the installation cavity 11, specifically, the front and rear side walls as shown in fig. 3, and at least two connection plates 13 are preferably provided in the horizontal and longitudinal directions for connecting the front and rear side walls, and a connection guide rod 14 is provided at the bottom of each connection plate 13 and extends downward in the vertical direction. Correspondingly, as shown in fig. 5, two guide cavities 32 which are in one-to-one correspondence with the two connecting guide rods 14 and are recessed downwards along the vertical direction are arranged at the top of the connecting rod 30, the connecting guide rods 14 are in sliding fit with the guide cavities 32, and the connecting guide rods 14 are always positioned in the guide cavities 32. Defining the freedom of the link 30 in the vertical direction and providing guidance for the vertical movement of the link 30. Preferably, as shown in fig. 5, the top opening of the guide cavity 32 protrudes from the top wall surface of the link 30. That is, the top opening of the guide cavity 32 may be flat with the top wall surface of the connecting rod 30, and preferably, the top opening of the guide cavity 32 protrudes from the top wall surface of the connecting rod 30 as shown in fig. 5, so that the guide with longer travel can be provided with better effect.
According to some preferred embodiments of the present utility model, the slider 50 is of unitary construction with the link 30. The integrated structural design is beneficial to reducing the processing step and the assembling step and has higher structural strength. In the preferred embodiment, the connecting rod 30 and the slider 50 are of a split design. Specifically, the bottom wall surface of the connecting rod 30 is provided with at least one first connecting structure 33 protruding downward and extending. The top wall surface of the slider 50 is provided with at least one second connecting structure 51 corresponding to the first connecting structure 33 and extending to protrude upward. As shown in fig. 5 and 6, the first connection structure 33 and the second connection structure 51 are two. The slider 50 and the connecting rod 30 are cooperatively connected together by the first connecting structure 33 and the second connecting structure 51. The first connection structure 33 and the second connection structure 51 may be one of solid connection columns and the other of connection columns with inner insertion holes, and are fixed together by plugging and pinning; or connecting columns with internal threaded holes are fixed together in a screw connection mode; the connecting columns can be solid and fixed together in a magnetic attraction or welding mode. The specific one is not particularly limited.
It is to be understood that the above-described embodiments of the present utility model are merely illustrative of or explanation of the principles of the present utility model and are in no way limiting of the utility model. Accordingly, any modification, equivalent replacement, improvement, etc. made without departing from the spirit and scope of the present utility model should be included in the scope of the present utility model. Furthermore, the appended claims are intended to cover all such changes and modifications that fall within the scope and boundary of the appended claims, or equivalents of such scope and boundary.
Claims (8)
1. A mechanism for integrally longitudinally releasing a connecting rod and a sliding block on a crank shaft of a press machine, which is characterized by comprising:
the machine body is provided with an installation cavity extending along the height direction of the machine body;
the connecting rod is arranged in the mounting cavity;
the crankshaft is horizontally and longitudinally arranged in the mounting cavity and penetrates through the connecting rod, the middle section of the crankshaft is not coaxial with the rotating connecting sections at the two ends, the middle section of the crankshaft is connected with the connecting rod through a moving pair, and the crankshaft can be driven to horizontally rotate relative to the machine body so as to drive the connecting rod to vertically move;
the sliding block is connected to the bottom of the connecting rod and driven by the movement of the connecting rod to move vertically.
2. The mechanism for integrally positioning a connecting rod and a sliding block on a crankshaft of a press machine according to claim 1, wherein a sliding member is provided on an intermediate section of the crankshaft;
the connecting rod is provided with a chute which extends horizontally and transversely and has a width larger than that of the sliding piece;
the sliding piece horizontally and transversely slides in the sliding groove when the crankshaft is driven to rotate, and the sliding piece is in sliding fit with the sliding groove to form the moving pair.
3. The mechanism for integrating the longitudinal connecting rod and the sliding block of the crankshafts of the press machine according to claim 2, wherein the number of the crankshafts is two, the two crankshafts are horizontally and parallelly arranged at intervals, and the sliding piece is arranged on the middle section of any one of the crankshafts;
two corresponding sliding grooves are horizontally and transversely arranged on the connecting rod in a spacing mode.
4. The mechanism for integrally longitudinally arranging a connecting rod and a sliding block on a crank shaft of a press machine according to claim 3, wherein the connecting rod is a square connecting rod with a horizontal and transverse width larger than a vertical height, and two sliding grooves are formed in the connecting rod at intervals in the horizontal and transverse directions.
5. The mechanism of any one of claims 1-4, wherein at least one connecting plate is further arranged at the top ends of two opposite side walls of the mounting cavity, and a connecting guide rod extending vertically is further arranged at the bottom of the connecting plate;
the top wall of the connecting rod is provided with a guide cavity which extends along the vertical recess and is in sliding fit with the connecting guide rod.
6. The mechanism of claim 5, wherein the top opening of the guide cavity protrudes from the top wall surface of the connecting rod.
7. The mechanism of claim 1, wherein the slide is integral with the connecting rod.
8. The mechanism for integrally positioning a connecting rod and a sliding block on a crankshaft of a press machine according to claim 1, wherein the bottom wall surface of the connecting rod is provided with at least one first connecting structure protruding downward and extending;
the top wall surface of the sliding block is provided with at least one second connecting structure which corresponds to the first connecting structure and protrudes upwards to extend;
the sliding block and the connecting rod are connected together in a matched mode through the first connecting structure and the second connecting structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321460278.8U CN220180214U (en) | 2023-06-09 | 2023-06-09 | Integrated mechanism of crankshaft longitudinal-release connecting rod and sliding block of press |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321460278.8U CN220180214U (en) | 2023-06-09 | 2023-06-09 | Integrated mechanism of crankshaft longitudinal-release connecting rod and sliding block of press |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220180214U true CN220180214U (en) | 2023-12-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321460278.8U Active CN220180214U (en) | 2023-06-09 | 2023-06-09 | Integrated mechanism of crankshaft longitudinal-release connecting rod and sliding block of press |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220180214U (en) |
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2023
- 2023-06-09 CN CN202321460278.8U patent/CN220180214U/en active Active
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