CN219851758U

CN219851758U - Workpiece clamping device of spinning machine

Info

Publication number: CN219851758U
Application number: CN202321314223.6U
Authority: CN
Inventors: 季小军; 张纯
Original assignee: Suzhou Jinmeichuan Automation Technology Co ltd
Current assignee: Suzhou Jinmeichuan Automation Technology Co ltd
Priority date: 2023-05-26
Filing date: 2023-05-26
Publication date: 2023-10-20
Anticipated expiration: 2033-05-26

Abstract

The utility model relates to the technical field of spinning machine auxiliary equipment, in particular to a spinning machine workpiece clamping device which comprises a base, wherein a first fixing frame and a second fixing frame are arranged on the base, a motor is arranged on the first fixing frame, the output end of the motor is connected with a rotating shaft, the other end of the rotating shaft is connected with a supporting disc, the second fixing frame is in sliding connection with the base, a supporting rod is fixedly connected with the second fixing frame, one end of the supporting rod is rotatably connected with the auxiliary disc, a hydraulic telescopic rod is arranged at the upper end of the base, and the output end of the hydraulic telescopic rod is connected with the second fixing frame. The arc-shaped abutting blocks are abutted against the inner wall of the hollow blank, so that the hollow blank can be better in stability during high-speed rotation, and meanwhile, according to the inner diameter of the hollow blank, the arc-shaped abutting blocks can be synchronously moved by the abutting rods on the rotating abutting disc, so that the hollow blank fixing device is applicable to fixing hollow blanks with different inner diameters, and the application range is wider.

Description

Workpiece clamping device of spinning machine

Technical Field

The utility model relates to a clamping device, in particular to a workpiece clamping device of a spinning machine, and belongs to the technical field of auxiliary equipment of spinning machines.

Background

The spinning machine is a forming process which is to fix a flat plate or a hollow blank on a die, press the blank with a spinning wheel or a rod-driving device while the blank rotates along with a main shaft of a bed, and enable the blank to generate local plastic deformation.

According to the spinning machine clamping device disclosed in the Chinese patent document with the publication number of CN218656491U, the spinning machine clamping device comprises a workbench, a clamp base, a mounting plate, a collecting mechanism and a control panel, wherein the workbench is fixedly connected to the left side of the top of the workbench, the clamp base is positioned on the right side wall of the workbench, the mounting plate is fixedly connected to the right side of the top of the workbench, the collecting mechanism is clamped in the middle of the top of the workbench, the control panel is inlaid on the front side wall of the workbench, a through hole is formed in the middle of the right side wall of the clamp base, an electric hydraulic rod is fixedly connected to the right side wall of the clamp base, the control panel is electrically connected with the electric hydraulic rod through an electric wire, screw holes are formed in four corners of the top of the workbench, bolts are screwed into the inner cavities of the screw holes, and the spinning machine clamping device is reasonable in structural design and can effectively clamp workpieces to avoid workpieces and collect metals.

Based on the above-mentioned patent search and the discovery of the device in combination with the prior art, when the above-mentioned device is applied, although the workpiece can be clamped and fixed by the extension of the electric hydraulic rod, the workpiece needs to be placed in the through hole, and the clamping mode is to clamp some hollow annular blanks, but not adapt to flat blanks, and when a plurality of electric hydraulic rods clamp, the hollow blanks are subjected to the pressure of the electric hydraulic rod, so that the hollow blanks deform, and the stability of the blanks in high-speed rotation is affected.

Accordingly, there is a need for an improved rotary press workpiece clamping device that addresses the above-described problems.

Disclosure of Invention

The utility model aims to provide a workpiece clamping device of a spinning machine, which can enable the hollow blank to rotate at a high speed with better stability through the arc-shaped abutting blocks abutting against the inner wall of the hollow blank, and simultaneously can enable the abutting rods on the rotating abutting plates to move synchronously with the arc-shaped abutting blocks according to the inner diameter of the hollow blank, so that the workpiece clamping device can be suitable for fixing hollow blanks with different inner diameters and is wider in application range.

In order to achieve the above purpose, the main technical scheme adopted by the utility model comprises the following steps: the utility model provides a spinning machine work piece clamping device, includes the base, be equipped with first mount and second mount on the base, be equipped with the motor on the first mount, the output of motor is connected with the pivot, the other end of pivot is connected with supports tight dish, the second mount with base sliding connection, fixedly connected with bracing piece on the second mount, the one end rotation of bracing piece is connected with the auxiliary disc, the upper end of base is equipped with hydraulic telescoping rod, hydraulic telescoping rod's output with the second mount is connected;

the adjusting device comprises a supporting disc, wherein a plurality of adjusting grooves are formed in the supporting disc, the adjusting grooves are distributed around the central axis of the supporting disc at equal intervals, an abutting rod is connected with the inner threads of the adjusting grooves, and an arc supporting block is fixedly connected to one end of the abutting rod extending to the outer side of the supporting disc.

Preferably, the outer wall of the contact supporting rod is rotatably sleeved with an indicating plate, a plurality of groups of scale marks are arranged on the contact supporting disc, and the plurality of groups of scale marks correspond to the plurality of adjusting grooves one by one.

Preferably, a first annular groove is formed in the circumferential outer wall of the arc-shaped abutting block, and a plurality of first balls are rotatably connected in the first annular groove.

Preferably, the supporting rod is positioned on the outer wall of the circumference at one end of the inside of the auxiliary disc, a second annular groove is formed in the outer wall of the circumference, and a plurality of second balls are rotatably connected in the second annular groove.

Preferably, friction pads are arranged on the outer surface of one side of the abutting disc, which is opposite to the auxiliary disc.

Preferably, the base is close to one end fixedly connected with auxiliary frame of first mount, the pivot run through in auxiliary frame and with auxiliary frame rotates to be connected.

Preferably, the bottom end of each contact supporting rod is fixedly connected with an adjusting knob.

The utility model has at least the following beneficial effects:

1. the arc-shaped propping block is propped against the inner wall of the hollow blank, so that the hollow blank can be enabled to rotate at a high speed with better stability, meanwhile, according to the inner diameter of the hollow blank, the arc-shaped propping block can synchronously move through the arc-shaped propping rod on the rotating propping disc, and the arc-shaped propping block can be suitable for fixing hollow blanks with different inner diameters and is wider in application range.

2. The indicator board is driven to synchronously move up and down when the abutting rod is rotated, so that the distance that each abutting rod drives the arc abutting block to move can be determined according to the numerical value on the scale mark pointed by the indicator board, the supporting is carried out in the hollow blank more stably, and the phenomenon that the abutting disc shakes due to the action of centrifugal force when the abutting disc rotates at a high speed is avoided, so that the using effect is influenced.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model and do not constitute a limitation on the utility model. In the drawings:

FIG. 1 is a schematic view of an isometric structure provided by the present utility model;

FIG. 2 is a schematic perspective view of a tightening disk according to the present utility model;

FIG. 3 is a schematic view of an arc-shaped block according to the present utility model;

fig. 4 is a schematic view of a support rod structure according to the present utility model.

In the figure, 1, a base; 101. a first fixing frame; 102. the second fixing frame; 103. a motor; 104. a rotating shaft; 105. a pressing disc; 106. a support rod; 107. an auxiliary disc; 108. a hydraulic telescopic rod; 109. an adjustment tank; 110. a touch-up rod; 111. arc-shaped abutting blocks; 2. an indication board; 201. scale marks; 3. a first annular groove; 301. a first ball; 4. a second annular groove; 401. a second ball; 5. a friction pad; 6. an auxiliary frame; 7. and adjusting the torsion.

Detailed Description

The following detailed description of embodiments of the present utility model will be given with reference to the accompanying drawings and examples, by which the implementation process of how the present utility model can be applied to solve the technical problems and achieve the technical effects can be fully understood and implemented.

As shown in fig. 1-4, the workpiece clamping device for a spinning machine provided in this embodiment includes a base 1, a first fixing frame 101 and a second fixing frame 102 are provided on the base 1, the second fixing frame 102 is slidably connected with the base 1, an output end of a hydraulic telescopic rod 108 is connected with the second fixing frame 102, so as to push the second fixing frame 102 to move towards a direction of the first fixing seat, a motor 103 is provided on the first fixing frame 101, an output end of the motor 103 is connected with a rotating shaft 104, the other end of the rotating shaft 104 is connected with a tightening disc 105, the second fixing frame 102 is slidably connected with the base 1, a supporting rod 106 is fixedly connected on the second fixing frame 102, one end of the supporting rod 106 is rotatably connected with an auxiliary disc 107, friction pads 5 are provided on an outer surface of one side of the tightening disc 105 opposite to the auxiliary disc 107, friction forces of the tightening disc 105 and the auxiliary disc 107 on two sides of a blank can be increased through the friction pads 5, so that a clamping effect is more stable, and a blank autorotation phenomenon is avoided;

the supporting disc 105 is provided with a plurality of adjusting grooves 109 which are distributed around the central axis of the supporting disc 105 at equal intervals, the inner threads of the adjusting grooves 109 are connected with supporting contact rods 110, the bottom end of each supporting contact rod 110 is fixedly connected with an adjusting knob 7, the supporting contact rods 110 are more convenient to rotate through the adjusting knob, one end of each supporting contact rod 110 extending to the outer side of the supporting disc 105 is fixedly connected with an arc supporting block 111, the arc supporting block 111 is driven to move upwards when the supporting contact rods 110 rotate, the arc supporting blocks 111 are contacted with the inner wall of a hollow blank, and the blank is more stable when rotating at a high speed;

further, as shown in fig. 2, the outer wall of the abutting rod 110 is rotatably sleeved with an indication board 2, the abutting disc 105 is provided with a plurality of groups of scale marks 201, the plurality of groups of scale marks 201 are in one-to-one correspondence with the plurality of adjusting grooves 109, the distance that each abutting rod 110 drives the arc abutting block 111 to move can be determined according to the numerical value of the indication board 2 on the scale marks 201, the supporting is more stably carried out in the hollow blank, and the abutting disc 105 is prevented from shaking due to the centrifugal force when the abutting disc 105 rotates at a high speed.

Further, as shown in fig. 3, a first annular groove 3 is formed on the circumferential outer wall of the arc-shaped supporting block 111, a plurality of first balls 301 are rotatably connected in the first annular groove 3, and friction force between the arc-shaped supporting block 111 and the hollow blank is reduced through contact between the first balls 301 and the inner wall of the hollow blank, so that the hollow blank can smoothly rotate.

Further, as shown in fig. 4, the supporting rod 106 is provided with a second annular groove 4 on the outer wall of the circumference of one end of the inner portion of the auxiliary disc 107, and a plurality of second balls 401 are rotatably connected in the second annular groove 4, so that when the blank is driven to rotate by the abutting disc 105, the auxiliary disc 107 is driven to rotate on the supporting rod 106 under the friction action of the friction pad 5, and friction between the auxiliary disc 107 and the supporting rod 106 is reduced by the second balls 401, so that the auxiliary disc 107 rotates more smoothly.

Still further, as shown in fig. 1, an auxiliary frame 6 is fixedly connected to one end of the base 1, which is close to the first fixing frame 101, and a rotating shaft 104 penetrates through the auxiliary frame 6 and is rotatably connected with the auxiliary frame 6, so as to support the rotating shaft 104, thereby avoiding the phenomenon of shaking and the like when the rotating shaft 104 drives the blank to rotate at a high speed, and affecting the spinning effect.

As shown in fig. 1 to 4, the principle of the workpiece clamping device of the spinning machine provided by the embodiment is as follows: when the flat blank is required to be spun, the second fixing frame 102 and the auxiliary disc 107 are driven by the hydraulic telescopic rod 108 to approach the abutting disc 105, the flat blank is clamped under the clamping action of the abutting disc 105 and the auxiliary disc 107, then the rotating shaft 104 is driven by the motor 103 to move, the rotating shaft 104 drives the abutting disc 105 to rotate, so that the flat blank is enabled to rotate, the clamping stability of the abutting disc 105 and the auxiliary disc 107 on the flat blank is enabled to be better under the action of the friction pad 5, the flat blank is prevented from rotating, when the hollow blank is required to be spun, the hollow blank is sleeved outside the abutting disc 105, then the abutting rod 110 is rotated according to the inner diameter of the hollow blank, the arc abutting block 111 is driven to move upwards when the abutting rod 110 is rotated, the inner wall of the hollow blank is enabled to contact, meanwhile, the abutting rod 110 can drive the indication plate 2 to move synchronously, scales 201 pointed by the indication plate 2 are observed, the height of each abutting rod 110 extending out of the outer wall of the abutting disc 105 can be determined, and therefore the hollow blank can be more stably supported inside the hollow blank, and the hollow blank can be stably rotated at a high speed.

Certain terms are used throughout the description and claims to refer to particular components. Those of skill in the art will appreciate that a hardware manufacturer may refer to the same component by different names. The description and claims do not take the form of an element differentiated by name, but rather by functionality. As used throughout the specification and claims, the word "comprise" is an open-ended term, and thus should be interpreted to mean "include, but not limited to. By "substantially" is meant that within an acceptable error range, a person skilled in the art can solve the technical problem within a certain error range, substantially achieving the technical effect.

It should be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a product or system that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such product or system. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude that an additional identical element is present in a commodity or system comprising the element.

While the foregoing description illustrates and describes the preferred embodiments of the present utility model, it is to be understood that the utility model is not limited to the forms disclosed herein, but is not to be construed as limited to other embodiments, and is capable of numerous other combinations, modifications and environments and is capable of changes or modifications within the scope of the inventive concept as described herein, either as a result of the foregoing teachings or as a result of the knowledge or technology in the relevant art. And that modifications and variations which do not depart from the spirit and scope of the utility model are intended to be within the scope of the appended claims.

Claims

1. The utility model provides a spinning-lathe work piece clamping device, includes base (1), its characterized in that: the novel lifting device is characterized in that a first fixing frame (101) and a second fixing frame (102) are arranged on the base (1), a motor (103) is arranged on the first fixing frame (101), the output end of the motor (103) is connected with a rotating shaft (104), the other end of the rotating shaft (104) is connected with a supporting disc (105), the second fixing frame (102) is in sliding connection with the base (1), a supporting rod (106) is fixedly connected to the second fixing frame (102), one end of the supporting rod (106) is rotatably connected with an auxiliary disc (107), the upper end of the base (1) is provided with a hydraulic telescopic rod (108), and the output end of the hydraulic telescopic rod (108) is connected with the second fixing frame (102).

The supporting compact disc (105) is provided with a plurality of adjusting grooves (109) which are distributed around the central axis of the supporting compact disc (105) at equal intervals, an abutting rod (110) is connected with the adjusting grooves (109) in a threaded mode, and one end, extending to the outer side of the supporting compact disc (105), of the abutting rod (110) is fixedly connected with an arc supporting block (111).

2. The spinning machine workpiece clamping device according to claim 1, wherein: the outer wall of the abutting rod (110) is rotatably sleeved with an indicating plate (2), a plurality of groups of scale marks (201) are arranged on the abutting disc (105), and the plurality of groups of scale marks (201) are in one-to-one correspondence with the plurality of adjusting grooves (109).

3. The spinning machine workpiece clamping device according to claim 1, wherein: the arc-shaped supporting block is characterized in that a first annular groove (3) is formed in the circumferential outer wall of the arc-shaped supporting block (111), and a plurality of first balls (301) are rotatably connected in the first annular groove (3).

4. The spinning machine workpiece clamping device according to claim 1, wherein: the supporting rod (106) is positioned on the outer wall of the circumference of one end inside the auxiliary disc (107), a second annular groove (4) is formed in the outer wall of one end inside the auxiliary disc, and a plurality of second balls (401) are rotatably connected inside the second annular groove (4).

5. The spinning machine workpiece clamping device according to claim 1, wherein: the outer surfaces of the sides of the abutting discs (105) opposite to the auxiliary discs (107) are respectively provided with a friction pad (5).

6. The spinning machine workpiece clamping device according to claim 1, wherein: the base (1) is close to one end fixedly connected with auxiliary frame (6) of first mount (101), pivot (104) run through auxiliary frame (6) and with auxiliary frame (6) rotation is connected.

7. The spinning machine workpiece clamping device according to claim 1, wherein: the bottom end of each abutting rod (110) is fixedly connected with an adjusting knob (7).