Double-oil-cylinder hydraulic button punching machine

Abstract

The utility model relates to the technical field of button attaching machines, and discloses a double-oil-cylinder hydraulic button attaching machine. The double-oil-cylinder hydraulic button punching machine comprises a workbench; the buckling and pressing mechanism is arranged on the workbench and comprises a middle frame, a pushing and pressing plate, a clamping and pressing assembly and a jig; through holes are formed in the two end faces of the middle frame, and the two pushing and pressing plates are arranged at the positions, close to the two ends of the through holes, in the middle frame in a mirror image mode. The clamping and pressing assembly is arranged between the two pushing and pressing plates and abuts against the pushing and pressing plates, and the jig is arranged below the clamping and pressing assembly and used for positioning a steel buckle; the hydraulic oil cylinders are installed at the two ends of the buckling mechanism, and the ends of output shafts of the hydraulic oil cylinders penetrate through the through holes to be connected with the pushing plate. According to the double-oil-cylinder hydraulic button punching machine, the two sides of a steel button can be pressed at the same time in the buckling and pressing process, the pressure on the steel button is uniform, the strength is high, the steel button can be tightly and uniformly buckled and pressed on a conveying belt, and the strength of a connector of the conveying belt is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of button-fixing machines, in particular to a double-cylinder hydraulic button-fixing machine. Background Art

[0002] Conveyor belts are widely used in manufacturing, industry, agriculture and other places. During the production process, conveyor belts need steel buckles to connect their cut ends to ensure the strength of the conveyor belts. At the same time, the conveyor belts will become loose and elongated after a period of time, causing the friction between the belt and the pulley to decrease and unable to continue to transport goods. It is necessary to cut off a part of the elongated belt and reconnect the two ends with steel buckles for reuse. Therefore, a buckle machine is needed to buckle the steel buckles.

[0003] In the prior art, a roller type buckle machine or a jack buckle machine is usually used to buckle the steel buckles. The buckling principle of these two buckle machines is to buckle the steel buckles by applying unidirectional pressure to the steel buckles. The unidirectional buckling method is uneven in the buckling process, which causes the buckled steel buckles to be deformed. Some steel buckles may not be buckled in place due to uneven force, which ultimately leads to insufficient strength of the conveyor belt connection.

[0004] Therefore, a double-cylinder hydraulic button-making machine is urgently needed to solve the above problems. Utility Model Content

[0005] Based on the above, the purpose of the utility model is to provide a double-cylinder hydraulic buckle pressing machine to solve the problem of steel buckle deformation and inadequate buckling of the steel buckles when the conveyor belt is connected due to uneven force.

[0006] In order to solve the above technical problems, the utility model adopts the following technical solutions:

[0007] The utility model provides a double-cylinder hydraulic button-making machine, comprising: a workbench;

[0008] The buckling mechanism is arranged on the workbench, and includes a middle frame, a push plate, a clamping assembly and a jig; through holes are opened on both end surfaces of the middle frame, and the push plates are two pieces, and the two push plates are mirror-imaged and arranged in the middle frame at the two end positions close to the through holes; the clamping assembly is arranged between the two push plates and abuts against the push plates, and the jig is arranged below the clamping assembly, and the jig is used to position the steel buckle;

[0009] A hydraulic cylinder is installed at both ends of the buckling mechanism, and the end of the output shaft of the hydraulic cylinder passes through the through hole and is connected to the pushing plate.

[0010] As an optional technical solution for a double-cylinder hydraulic fastener, the middle frame is a square structure that is hollow at the top and bottom, and both side surfaces of the middle frame are provided with air avoidance grooves. The two ends of the fixture are respectively arranged toward the two air avoidance grooves, and the top surface of the fixture is higher than the bottom of the air avoidance grooves.

[0011] As an optional technical solution for a double-cylinder hydraulic fastener, the clamping assembly is divided into two groups, including a clamping block and a "7"-shaped connecting rod arranged at the bottom of the clamping block. The two groups of clamping assemblies are mirror images that can rotate relative to each other and are arranged between the two pushing plates.

[0012] As an optional technical solution for a double-cylinder hydraulic fastener, an arc-shaped portion is provided on the bottom surface of the clamping block close to the fixture, and a semicircular groove is provided on a side surface of the clamping block close to the push plate.

[0013] As an optional technical solution for a double-cylinder hydraulic fastening machine, a pushing portion is provided on one side surface of the pushing plate close to the clamping block, and a semicircular abutting portion is provided at an end of the pushing portion away from the pushing plate, and the semicircular abutting portion abuts against the semicircular groove.

[0014] As an optional technical solution for a double-cylinder hydraulic fastener, a countersunk hole coaxial with the through hole is provided on one side of the push plate close to the through hole, and the output shaft end of the hydraulic cylinder is connected to the push plate through the countersunk hole.

[0015] As an optional technical solution for a double-cylinder hydraulic fastener, a connecting portion is provided at the bottom of the jig, and a plurality of protrusions are provided at intervals on the upper end surface of the jig, and a plurality of protrusions have "V"-shaped arc-shaped limit grooves in the middle of the protrusions. Limit blocks are provided between the plurality of protrusions, and the middle portions of both sides of the limit blocks form inner arcs inward.

[0016] As an optional technical solution for a double-cylinder hydraulic fastener, a plurality of connecting pieces are spaced apart and connected to the top of the push plate and the top of the clamping block, and the connecting pieces are made of a tough material.

[0017] As an optional technical solution for a double-cylinder hydraulic fastener, a reset assembly is arranged under the jig, and the reset assembly includes a "U"-shaped limiting portion and a guide rod at the bottom end of the "U"-shaped limiting portion, the "U"-shaped limiting portion is clamped on both sides of the jig, a spring is sleeved on the guide rod, and a limiting ring is installed at the bottom end of the guide rod.

[0018] As an optional technical solution for a double-cylinder hydraulic fastener machine, the upper and lower ends of the limit collar are large and small head structures, the large head end of the limit collar abuts against the spring, the small head of the limit collar is embedded in the air avoidance hole, the guide rod passes through the limit collar and extends to the bottom of the workbench, and the workbench is set on the frame.

[0019] The beneficial effects of the utility model are:

[0020] The utility model provides a double-cylinder hydraulic buttoning machine, which comprises a frame and a workbench arranged on the frame; a buttoning mechanism is arranged on the workbench, and the buttoning mechanism comprises a middle frame and a pushing plate, a clamping assembly and a fixture arranged in the middle frame, a reset assembly is installed under the fixture, and hydraulic cylinders are respectively arranged at both ends of the middle frame. The steel buckle is placed on the fixture. Under the drive of the hydraulic pump, the output shaft of the hydraulic cylinder at both ends of the middle frame passes through the through hole and abuts against the countersunk hole on the pushing plate and pushes the two pushing plates to move relative to each other. The two sets of clamping and pressing components press the steel buckle from both sides of the steel buckle at the same time under the push of the pushing part on the pushing plate. At the same time, the fixture will move downward a certain distance under the pressure of the steel buckle. The spring on the guide rod of the reset component is compressed during the downward movement of the fixture. When the steel buckle is buckled, the output shaft of the hydraulic cylinder is reset. At this time, the reset component lifts the fixture upward under the action of the spring elastic force to reset and complete the buckling of the steel buckle. Under the above structure, by arranging clamping components, pushing plates and hydraulic cylinders on both sides of the steel buckle, both sides of the steel buckle can be pressed at the same time during the buckling process. The double-cylinder hydraulic buckling machine has uniform pressure on the steel buckle and strong force, so that the steel buckle can be tightly and evenly buckled on the conveyor belt, thereby improving the strength of the conveyor belt interface. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the overall structure of an embodiment of the utility model;

[0022] Figure 2 This is a partial structural exploded schematic diagram of a double-cylinder hydraulic buttoning machine in an embodiment of the utility model;

[0023] Figure 3 This is a schematic diagram of the structure inside the middle frame in the embodiment of the utility model;

[0024] Figure 4 for Figure 3 The enlarged schematic diagram of point B in the middle;

[0025] Figure 5 This is a schematic diagram of the structure of the clamping assembly in the embodiment of the utility model;

[0026] Figure 6 This is a schematic diagram of the structure of the fixture in the embodiment of the utility model;

[0027] Figure 7 for Figure 6 The enlarged schematic diagram at A in the middle;

[0028] Figure 8 A schematic diagram of the structural decomposition of the reset assembly in an embodiment of the utility model.

[0029] In the figure:

[0030] 1. Frame; 10. Workbench; 101. Air-avoiding hole;

[0031] 2. Hydraulic cylinder;

[0032] 3. buckling mechanism; 30. middle frame; 301. air avoidance groove; 302. through hole;

[0033] 31. Pushing plate; 311. Pushing portion; 312. Semicircular abutting portion; 313. Countersunk hole;

[0034] 32. Clamping assembly; 321. Clamping block; 322. Semicircular groove; 323. Arc-shaped portion; 324. "7"-shaped connecting rod;

[0035] 33. fixture; 331. connecting portion; 332. convex block; 333. limiting block;

[0036] 34. Connectors;

[0037] 35. Reset assembly; 351. "U"-shaped limiting portion; 352. Guide rod; 353. Spring; 354. Limiting collar. DETAILED DESCRIPTION

[0038] The present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It is to be understood that the specific embodiments described herein are only used to explain the present invention, rather than to limit the present invention. It should also be noted that, for ease of description, only the parts related to the present invention, rather than all structures, are shown in the accompanying drawings.

[0039] In the description of the present invention, unless otherwise clearly specified and limited, the terms "connected", "connected", and "fixed" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0040] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may include that the first and second features are in direct contact, or may include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, a first feature being "above", "above" and "above" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature includes that the first feature is directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.

[0041] In the description of this embodiment, terms such as "up", "down", "left", and "right" and other orientations or positional relationships are based on the orientations or positional relationships shown in the accompanying drawings and are only for the convenience of description and simplification of operation, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, they should not be understood as limitations on the present utility model.

[0042] In the description of the present invention, unless otherwise specified, the meaning of "plurality" is two or more than two. In addition, the terms "first" and "second" are only used to distinguish in the description and have no special meaning.

[0043] like Figure 1-8 As shown, the utility model provides a double-cylinder hydraulic buckling machine, which includes: a workbench 10; a buckling mechanism 3, which is arranged on the workbench 10, including a middle frame 30, a push plate 31, a clamping assembly 32 and a fixture 33; through holes 302 are opened on both end surfaces of the middle frame 30, and the push plates 31 are two pieces, and the two push plates 31 are mirror-imaged and arranged at the two end positions of the middle frame 30 near the through holes 302; the clamping assembly 32 is arranged between the two push plates 31 and abuts against the push plates 31, and the fixture 33 is arranged below the clamping assembly 32, and the fixture 33 is used for steel buckle positioning; the hydraulic cylinder 2 is installed at both ends of the buckling mechanism 3, and the output shaft end of the hydraulic cylinder 2 is penetrated by a through hole 302 to be connected with the push plate 31.

[0044] The utility model provides a double-cylinder hydraulic buckle machine, in which a steel buckle is placed on a jig 33. The hydraulic cylinders 2 at both ends of the middle frame 30 are driven by a hydraulic pump. The output shafts of the hydraulic cylinders 2 pass through the through holes 302 and abut against the countersunk holes 313 on the push plates 31 and push the two push plates 31 to move relative to each other. The two groups of clamping components 32 are pushed by the pushing parts 311 on the push plates 31 to simultaneously press the steel buckles from both sides of the steel buckle. At the same time, the jig 33 is pressed downward by the pressure of the steel buckle. The guide rods 352 of the reset component 35 are used in the process of the jig 33 moving downward. The spring 353 on it is compressed, and when the steel buckle is buckled, the output shaft of the hydraulic cylinder 2 is reset. At this time, the reset component 35 pushes the fixture 33 upward under the action of the elastic force of the spring 353 to reset and complete the buckling of the steel buckle; under the above structure, by respectively providing a clamping component 32, a pushing plate 31 and a hydraulic cylinder 2 on both sides of the steel buckle, the two sides of the steel buckle can be pressed at the same time during the buckling process. The double-cylinder hydraulic buckling machine exerts uniform and strong pressure on the steel buckle, so that the steel buckle can be tightly and evenly buckled on the conveyor belt, thereby improving the strength of the conveyor belt interface.

[0045] Specifically, Figure 2 As shown, the middle frame 30 is a square structure which is hollow at the top and bottom. Both side surfaces of the middle frame 30 are provided with air avoidance grooves 301, and the air avoidance grooves 301 are in a "V" shape. Both end surfaces of the middle frame 30 are provided with through holes 302. Both ends of the fixture 33 are respectively arranged toward the two air avoidance grooves 301, and the top surface of the fixture 33 is higher than the bottom of the air avoidance grooves 301. The setting of the air avoidance grooves 301 can be compatible with longer steel buckles for buckling, thereby increasing the application range of the double-cylinder hydraulic buckling machine.

[0046] In this embodiment, if Figures 3 to 5As shown, the clamping assembly 32 is provided with two groups, which are mirror-imaged between the two pushing plates 31. The clamping assembly 32 includes a clamping block 321 and a "7"-shaped connecting rod 324 arranged at the bottom of the clamping block 321. The bottom end of the "7"-shaped connecting rod 324 is also provided with a connecting hole. An arc portion 323 is provided on the bottom surface of the clamping block 321 close to the fixture 33. When the clamping block 321 clamps the steel buckle, the arc portion 323 and the upper end surface of the fixture 33 will move relative to each other. The setting of the arc portion 323 can avoid friction between the bottom of the clamping block 321 and the upper end surface of the fixture 33. A semicircular groove 322 is provided on one side of the clamping block 321 close to the pushing plate 31, and a semicircular groove 322 is provided on the side surface of the clamping block 321 close to the pushing plate 31. The cam 322 is provided with a push portion 311 on one side surface, and a semicircular abutment portion 312 is provided on the end portion of the push portion 311 away from the push plate 31, and the semicircular abutment portion 312 abuts against the semicircular groove 322. When the push plate 31 applies a thrust to the clamping block 321, the two clamping plates will be offset at an angle. At this time, the semicircular abutment portion 312 and the semicircular groove 322 can abut and apply thrust at different angles as the two clamping plates are offset. That is to say, the semicircular abutment portion 312 and the semicircular groove 322 can rotate at a certain angle with respect to each other, thereby ensuring that the clamping block 321 applies a relatively uniform pressure on the steel buckle, so that each steel buckle can be buckled in place and the buckling strength is guaranteed.

[0047] Specifically, Figure 2 and Figure 3 As shown, a through hole 302 is opened in the middle of both ends of the middle frame 30, and a countersunk hole 313 coaxial with the through hole 302 is opened on one side surface of the push plate 31 close to the through hole 302. The end of the output shaft of the hydraulic cylinder 2 passes through the through hole 302 and extends into the middle frame 30 to be connected with the countersunk hole 313 of the push plate 31, and drives the two push plates 31 to move relative to each other. The through holes 302 at both ends of the middle frame 30 can guide the output shaft of the hydraulic cylinder 2, so that the hydraulic cylinder 2 can stably apply pressure to the push plate 31, thereby ensuring the uniformity of pressure when the steel buckle is buckled.

[0048] In this embodiment, if Figure 6 and Figure 7 As shown, a connecting portion 331 is provided at the bottom of the jig 33, and a connecting hole is provided on the connecting portion 331. A plurality of protrusions 332 are provided upwardly at intervals on the upper end surface of the jig 33. A "V"-shaped arc-shaped limiting groove is provided in the middle of the plurality of protrusions 332. A limiting block 333 is provided between the plurality of protrusions 332. The middle parts of both sides of the limiting block 333 form an inner arc inward. When the needle steel buckle is buckled and pressed, the limiting accommodating cavity of the inner arc-shaped stroke in the middle parts of both sides of the "V"-shaped arc-shaped limiting groove and the limiting accommodating cavity can well match the limit of the needle steel buckle, especially for the ribless needle steel buckle, it can be better buckled and formed during the buckling process, so that the strength of the conveyor belt connection is further improved.

[0049] Further, such as Figure 3 As shown, the push plate 31 and the clamping assembly 32 are softly connected by multiple connecting parts 34, and the two ends of the connecting parts 34 are respectively connected to the top of the push plate 31 and the clamping block 321. The setting of the connecting parts 34 can play a pulling role when the push plate 31 is separated from the clamping assembly 32. The connecting parts 34 can be made of belts or other tough materials, so that the connecting parts 34 can maintain their strength without breaking after multiple folding and pressing.

[0050] In this embodiment, if Figure 3 and Figure 8 As shown, a reset assembly 35 is also installed at the lower end of the fixture 33, and the reset assembly 35 includes a "U"-shaped limiting portion 351 and a guide rod 352 integrally formed with the "U"-shaped limiting portion 351 at the bottom end of the "U"-shaped limiting portion 351. The "U"-shaped limiting portion 351 is clamped on both sides of the fixture 33 to limit the position of the fixture 33, so that the fixture 33 will not swing left and right during the buckling work to ensure that the steel buckle is evenly stressed; a spring 353 is sleeved on the guide rod 352, and a limiting ring 354 is installed at the bottom end of the guide rod 352. The upper and lower ends of the limiting ring 354 are large and small head structures. The large head end of the limiting ring 354 abuts against the spring 353, and the small head of the limiting ring 354 is embedded in the avoidance hole 101 on the workbench 10. The guide rod 352 is penetrated by the limiting ring The positioning ring 354 extends to the bottom of the workbench 10, and the workbench 10 is set on the frame 1; when the steel buckle is buckled, the fixture 33 will move downward, and at the same time, it will drive the "U"-shaped limit part 351 and the guide rod 352 to move downward together. At this time, the spring 353 is compressed, and the guide rod 352 slides down from the limiting ring 354 to the bottom of the workbench 10. When the steel buckle is buckled and the hydraulic cylinder 2 is reset, the fixture 33 will be reset to the initial position upward under the elastic action of the spring 353 of the reset component 35. The reset component 35 can not only limit the posture of the fixture 33, but also reset the fixture 33 after buckling. The guide rod 352, spring 353, limiting ring 354 and avoidance hole 101 can be cylindrical or square structures.

[0051] Specifically, Figure 3 As shown, the clamping assembly 32 and the fixture 33 are installed by passing an axle pin through their connecting holes.

[0052] The above is only a preferred embodiment of the utility model, and does not limit the utility model in any form. Although the utility model is disclosed as a preferred embodiment as above, it is not used to limit the utility model. Any technician familiar with this profession can make some changes or modifications to equivalent embodiments of equivalent changes by using the technical content disclosed above without departing from the scope of the technical solution of the utility model. However, any simple modification, equivalent change and modification made to the above embodiments according to the technology of the utility model, which does not depart from the content of the technical solution of the utility model, belongs to the scope of the technical solution of the utility model.

Claims

1. A double-cylinder hydraulic buttoning machine, characterized in that: include: Workbench; The buckling mechanism is arranged on the workbench, and includes a middle frame, a push plate, a clamping assembly and a jig; through holes are opened on both end surfaces of the middle frame, and the push plates are two pieces, and the two push plates are mirror-imaged and arranged in the middle frame at the two end positions close to the through holes; the clamping assembly is arranged between the two push plates and abuts against the push plates, and the jig is arranged below the clamping assembly, and the jig is used to position the steel buckle; A hydraulic cylinder is installed at both ends of the buckling mechanism, and the end of the output shaft of the hydraulic cylinder passes through the through hole and is connected to the pushing plate.

2. A double-cylinder hydraulic buttoning machine according to claim 1, characterized in that: The middle frame is a square structure that is hollow at the top and bottom. Both side surfaces of the middle frame are provided with air avoidance grooves. The two ends of the fixture are respectively arranged toward the two air avoidance grooves, and the top surface of the fixture is higher than the bottom of the air avoidance grooves.

3. A double-cylinder hydraulic buttoning machine according to claim 2, characterized in that: The clamping and pressing components are divided into two groups, including a clamping and pressing block and a "7"-shaped connecting rod arranged at the bottom of the clamping and pressing block. The two groups of clamping and pressing components are mirror images that can rotate relatively and are arranged between the two pushing plates.

4. A double-cylinder hydraulic buttoning machine according to claim 3, characterized in that: An arc portion is provided on the bottom surface of the clamping block close to the fixture, and a semicircular groove is provided on a side surface of the clamping block close to the pushing plate.

5. A double-cylinder hydraulic buttoning machine according to claim 4, characterized in that: A pushing portion is arranged on one side surface of the pushing plate close to the clamping block, and a semicircular abutting portion is arranged at one end of the pushing portion away from the pushing plate, and the semicircular abutting portion abuts against the semicircular groove.

6. A double-cylinder hydraulic buttoning machine according to claim 5, characterized in that: A countersunk hole coaxial with the through hole is provided on one side surface of the push plate close to the through hole, and the output shaft end of the hydraulic cylinder is connected to the push plate through the countersunk hole.

7. A double-cylinder hydraulic buttoning machine according to claim 1, characterized in that: A connecting portion is provided at the bottom of the fixture, and a plurality of protrusions are provided at intervals upward on the upper end surface of the fixture, and a "V"-shaped arc-shaped limiting groove is opened in the middle of the plurality of protrusions. Limiting blocks are provided between the plurality of protrusions, and the middle parts of both sides of the limiting blocks form inner arcs inwardly.

8. A double-cylinder hydraulic buttoning machine according to claim 6, characterized in that: A plurality of connecting pieces are spaced apart and connected to the top of the pushing plate and the top of the clamping block, and the connecting pieces are made of a tough material.

9. A double-cylinder hydraulic buttoning machine according to any one of claims 1-8, characterized in that: A reset assembly is arranged below the jig, and the reset assembly comprises a "U"-shaped limiting portion and a guide rod at the bottom end of the "U"-shaped limiting portion, the "U"-shaped limiting portion is clamped on both sides of the jig, a spring is sleeved on the guide rod, a limiting collar is installed at the bottom end of the guide rod, and an air avoidance hole is arranged on the workbench.

10. A double-cylinder hydraulic buttoning machine according to claim 9, characterized in that: The upper and lower ends of the limiting collar are large and small head structures, the large head end of the limiting collar abuts against the spring, the small head of the limiting collar is embedded in the avoidance hole, the guide rod passes through the limiting collar and extends to the bottom of the workbench, and the workbench is set on the frame.

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