CN113953869A

CN113953869A - Machining platform for workpiece positioning

Info

Publication number: CN113953869A
Application number: CN202111181746.3A
Authority: CN
Inventors: 谢欣航
Original assignee: Tongxiang Shenghui Precision Machinery Co ltd
Current assignee: Tongxiang Shenghui Precision Machinery Co ltd
Priority date: 2021-10-11
Filing date: 2021-10-11
Publication date: 2022-01-21
Anticipated expiration: 2041-10-11
Also published as: CN113953869B

Abstract

The invention discloses a processing platform for positioning a workpiece, and belongs to the field of processing mechanical equipment. A plurality of workpiece pressing air cylinders are vertically and uniformly arranged between the lower side of a reciprocating lifting pressure plate and a workpiece processing base, workpiece processing pressure plates are horizontally arranged on two sides above the reciprocating lifting pressure plate respectively, pushing reciprocating guide plates are horizontally arranged on two sides of a workpiece placing platform respectively, pushing translation guide rods on the lower portions of the pushing reciprocating guide plates are horizontally and slidably arranged on the workpiece placing platform, pushing plate lifting guide plates on two sides above the workpiece processing base are vertically and slidably arranged on the reciprocating lifting guide rods, positioning reciprocating swing plates on two sides above the workpiece processing base are symmetrically arranged, and locking limiting mechanisms are horizontally and fixedly arranged on the workpiece processing base in the middle of the lower side of the reciprocating lifting pressure plate. The workpiece centering and pressing device is reasonable in structural design, can be used for efficiently and stably centering, positioning, pressing and fixing the workpiece, improves the efficiency and quality of workpiece processing, and meets the processing and using requirements.

Description

Machining platform for workpiece positioning

Technical Field

The invention belongs to the field of processing mechanical equipment, and particularly relates to a processing platform for positioning a workpiece.

Background

Mechanical workpieces are single parts that constitute a mechanical non-detachable part and play an important role in the automation industry, including the coupling of parts, parts for supporting, lubrication and sealing, and transmission systems for transmitting motion and energy. In the process of processing a mechanical workpiece, the mechanical workpiece to be processed is mainly placed on a processing platform, then a numerical control processing machine head is used for processing the workpiece by driving, milling, planing, drilling, grinding and the like, when the workpiece is processed, workpiece fixing equipment is required to stably and firmly press and fix the workpiece on the processing platform, the existing workpiece fixing equipment mainly adopts a cylinder to drive a pressing plate to press and fix the workpiece, the workpiece is stably placed and fixed on the processing platform under the action of the cylinder, in the process of fixing and processing the workpiece by using the cylinder, when the cylinder for fixing the workpiece is difficult to continuously and stably press and fix the workpiece due to faults, the workpiece is placed on the processing platform under the condition of losing external pressing force, so that the workpiece is processed by using a processing head to cause the position of the workpiece to deviate, and the workpiece processing error is generated, cause the work piece to scrap, serious still can cause the work piece to empty and will process the aircraft nose and damage and cause the injury to processing workman, current work piece processing platform is placing the work piece man-hour, need the workman to accurate placing the work piece to the processing platform on, current processing platform does not set up the automatic guiding mechanism that rectifies in work piece position, be difficult to realize placing the automatic centering location that rectifies of fixed in-process to the work piece, consequently, the position requirement of placing the work piece to the workman is higher, workman intensity of labour is great and the work piece is placed machining efficiency lower, be difficult to satisfy the needs that work piece processing used.

Disclosure of Invention

The invention aims to solve the technical problem of overcoming the defects in the prior art, and provides the processing platform for positioning the workpiece, which has reasonable structural design, can efficiently and stably center, position and compress and fix the workpiece, improves the processing efficiency and quality of the workpiece, and meets the processing and using requirements.

In order to solve the technical problems, the technical scheme adopted by the invention is as follows: a processing platform for workpiece positioning, characterized in that: the processing platform for positioning the workpiece comprises a workpiece processing base, a workpiece placing platform, a reciprocating pressure and rise plate, a workpiece pressing cylinder, a positioning reciprocating swing plate, a push plate lifting guide plate and a locking limiting mechanism, wherein the workpiece placing platform, the reciprocating pressure and rise plate and the workpiece processing base are sequentially horizontally arranged from top to bottom, two sides of the workpiece placing platform are respectively and symmetrically fixedly provided with a processing supporting vertical plate, two ends of the processing supporting vertical plate are fixedly connected with the workpiece processing base, a plurality of workpiece pressing cylinders are vertically and uniformly arranged between the lower side of the reciprocating pressure and rise plate and the workpiece processing base, two sides above the reciprocating pressure and rise plate are respectively and horizontally provided with a workpiece processing pressing plate, two workpiece processing pressing plates are respectively arranged on two sides above the workpiece placing platform, and reciprocating pressure and rise plates at two ends of the workpiece processing pressing plates are respectively and vertically and fixedly provided with a material pressing lifting vertical plate, the end parts of both sides of a workpiece processing pressing plate are respectively and fixedly provided with a rotary adjusting connecting plate, the end part of the rotary adjusting connecting plate is rotatably connected with the middle part of a pressing material lifting vertical plate at the corresponding side, the outer side of the upper end of the pressing material lifting vertical plate is fixedly provided with a pressing plate positioning bracket, the upper end of the pressing material lifting vertical plate is vertically provided with a pressing plate positioning guide rod, the pressing plate positioning guide rod is arranged on the pressing plate positioning bracket and the pressing material lifting vertical plate in a sliding way along the horizontal direction, a push rod spring baffle is fixedly arranged on the pressing plate positioning guide rod at the inner side of the pressing plate positioning bracket, a guide rod reset spring is sleeved on the pressing plate positioning guide rod between the push rod spring baffle and the pressing plate positioning bracket, the end part of the outer side of the pressing plate positioning guide rod is fixedly provided with an adjusting pull rod connecting plate, a pressing plate positioning rod hole matched with the pressing plate positioning guide rod is arranged at the corresponding position on the rotary adjusting connecting plate, and a reciprocating guide plate is respectively and horizontally arranged at both sides of the workpiece placing platform, the upper part of the thrust reciprocating guide plate is horizontally and fixedly provided with a workpiece positioning push plate along the side of the workpiece placing platform, the lower part of the thrust reciprocating guide plate is horizontally and fixedly provided with thrust translation guide rods along the two ends of the side of the workpiece placing platform respectively, the thrust translation guide rods are horizontally and slidably arranged on the workpiece placing platform, the thrust translation guide rods are fixedly provided with translation limit baffles along the side end part of the workpiece placing platform, a thrust translation channel matched with the translation limit baffles is horizontally arranged in the workpiece placing platform, a push plate translation spring is sleeved on the thrust translation guide rods between the thrust reciprocating guide plate and the workpiece placing platform, push plate lifting guide plates are symmetrically arranged on two sides above the workpiece processing base, the push plate lifting guide plates are horizontally arranged at the lower side of the reciprocating lifting guide plates, the workpiece processing bases at the two ends of the push plate lifting guide plates are respectively and vertically and fixedly provided with reciprocating lifting guide rods, and the upper ends of the reciprocating lifting limit baffles are fixedly arranged on the reciprocating lifting guide rods, the push plate lifting guide plate is vertically and slidably arranged on the reciprocating lifting guide rod, a push plate lifting spring is sleeved on the reciprocating lifting guide rod on the lower side of the push plate lifting guide plate, a clamping and positioning vertical surface, a pushing and centering inclined surface and a reset guide vertical surface are sequentially arranged on the outer side surface of the push plate lifting guide plate from top to bottom, the upper side and the lower side of the pushing and centering inclined surface are in cambered surface transitional connection with the clamping and positioning vertical surface and the reset guide vertical surface, swing plate reciprocating supports are respectively and vertically and fixedly arranged on the two sides above the workpiece processing base, the positioning reciprocating swing plate is of a C-shaped structure, the middle part of the positioning reciprocating swing plate is hinged and connected to the upper side end part of the swing plate reciprocating support, the positioning reciprocating swing plates on the two sides above the workpiece processing base are symmetrically arranged, the upper side end parts of the positioning reciprocating swing plates are adjacently arranged on the outer side surface of the push plate lifting guide plate, and the lower side end parts of the positioning reciprocating swing plate are adjacently arranged on the outer side surface of the push plate lifting guide plate, a swing plate reset tension spring is arranged between two ends of the lower side of the positioning reciprocating swing plate and a swing plate reciprocating support, a locking limiting mechanism is horizontally and fixedly arranged on a workpiece machining base at the middle part of the lower side of the reciprocating lifting pressing plate, the locking limiting mechanism comprises a locking limiting support, a limiting reciprocating rotating shaft, a push rod limiting cylinder and a limiting translation pin rod, the locking limiting support is horizontally and fixedly arranged on the workpiece machining base at the middle part of the lower side of the reciprocating lifting pressing plate, the limiting reciprocating rotating shaft is vertically and rotatably connected to the middle part of the locking limiting support, a limiting reciprocating gear is horizontally and fixedly arranged at the lower end of the limiting reciprocating rotating shaft, a toothed plate translation support is horizontally and fixedly arranged on the locking limiting support at one side of the limiting reciprocating gear, a reciprocating translation toothed plate meshed with the limiting reciprocating gear is horizontally and slidably arranged in the toothed plate translation support, and the push rod limiting cylinder is horizontally and fixedly arranged at one side of the toothed plate translation support, the output end of the push rod limiting cylinder is fixedly connected with the end part of the reciprocating translation toothed plate, the upper end of the limiting reciprocating rotating shaft is horizontally and fixedly provided with a limiting reciprocating rotary plate, the locking limiting supports on two sides of the limiting reciprocating rotary plate are respectively and fixedly provided with pin rod reciprocating guide plates, the pin rod reciprocating guide plates on two sides of the locking limiting support are respectively and horizontally provided with a limiting translation pin rod, the upper part of the limiting reciprocating rotary plate is respectively provided with a translation push-pull connecting rod between two ends along the radial direction and the limiting translation pin rod on the corresponding side, two ends of the translation push-pull connecting rod are respectively hinged and connected to the outer side of the limiting reciprocating rotary plate and the end part of the limiting translation pin rod, and the push plate lifting guide plate is horizontally provided with a locking limiting rod groove matched with the limiting translation pin rod along the side of the locking limiting mechanism.

Furthermore, a plurality of workpiece pressing cylinders on the lower side of the reciprocating lifting pressing plate are driven in parallel by the same air source.

Furthermore, a limiting bearing plate corner block is fixedly arranged on the pressure lifting vertical plate adjacent to the rotation adjusting connecting plate, and the limiting bearing plate corner block is arranged in the middle of the pressure lifting vertical plate on the side of the positioning reciprocating swing plate.

Furthermore, the upper end of the positioning reciprocating swing plate is rotatably connected with a push plate translation guide wheel, and the lower end of the positioning reciprocating swing plate is rotatably connected with a push bearing swing guide wheel.

Compared with the prior art, the invention has the following advantages and effects: the invention has reasonable structural design, the end parts of the rotary adjusting connecting plates at the two sides of the workpiece processing press plate are rotatably connected to the middle parts of the pressing material lifting vertical plates at the corresponding sides, the pressing plate positioning guide rods are arranged on the pressing plate positioning bracket and the pressing material lifting vertical plates in a sliding way along the horizontal direction, the corresponding positions on the rotary adjusting connecting plates are provided with the pressing plate positioning rod holes matched with the pressing plate positioning guide rods, when a workpiece needs to be placed on the upper side of the workpiece placing platform, the rotary adjusting connecting plates drive the workpiece processing press plate to swing, so that the workpiece processing press plate is swung and adjusted to the two sides of the workpiece placing platform, the workpiece processing press plate can be prevented from blocking when the workpiece is placed on the workpiece placing platform, the workpiece can be conveniently and smoothly placed on the workpiece placing platform, when the rotary adjusting connecting plates are swung and adjusted to the vertical position, the rotary adjusting connecting plates can be ensured to be stably positioned at the vertical position by utilizing the matching connection of the pressing plate positioning guide rods and the pressing plate positioning rod holes, the workpiece processing pressing plates on two sides of the workpiece placing platform are ensured to be respectively positioned on two sides above the workpiece, a plurality of workpiece pressing cylinders are vertically and uniformly arranged between the lower side of the reciprocating lifting pressing plate and the workpiece processing base, the reciprocating lifting pressing plate is vertically and downwards pulled by the workpiece pressing cylinders and can drive the workpiece processing pressing plates on two sides to stably and firmly press and fix the workpiece on the workpiece placing platform, the workpiece pressing cylinders are driven by the same air source in parallel, the reciprocating lifting pressing plate is ensured to stably and accurately lift under the driving of the workpiece pressing cylinders, and the pressing lifting vertical plates adjacent to the rotary adjusting connecting plate are fixedly provided with limiting bearing plate corner blocks, so that when the rotary adjusting connecting plate swings and adjusts, the limiting bearing plate can stably and accurately support and place the rotary adjusting connecting plate, and the lifting guide plates on two sides above the workpiece processing base are horizontally arranged on the lower side of the reciprocating lifting pressing plate, the push plate lifting guide plate is vertically and slidably arranged on the reciprocating lifting guide rod, a push plate lifting spring is sleeved on the reciprocating lifting guide rod on the lower side of the push plate lifting guide plate, so that when the workpiece pressing cylinder drives the reciprocating lifting plate to perform lifting motion along the vertical direction, the push plate lifting guide plate can perform stable and smooth reciprocating lifting motion under the action of the downward force of the reciprocating lifting plate and the upward elastic force of the push plate lifting spring, a workpiece positioning push plate is horizontally and fixedly arranged at the upper part of the pushing reciprocating guide plate on two sides of the workpiece placing platform, a pushing translation guide rod at the lower part of the pushing reciprocating guide plate is horizontally and slidably arranged on the workpiece placing platform, a push plate translation spring is sleeved on the pushing translation guide rod between the pushing reciprocating guide plate and the workpiece placing platform, and when the pushing reciprocating guide plate moves towards the side of the workpiece placing platform under the action of external force, the workpiece positioning push plate can horizontally push the workpiece on the workpiece placing platform, therefore, when the reciprocating guide plates for bearing and pushing on the two sides of the workpiece placing platform synchronously move in opposite directions to perform translation motion, the workpiece positioning push plate can realize deviation rectification, centering and positioning on the workpiece, so as to ensure that the workpiece can be stably and accurately placed and fixed on the workpiece placing platform, when the reciprocating guide plates for bearing and pushing lose external thrust, the reciprocating guide plates for bearing and pushing can automatically translate and reset under the action of the push plate translation spring, the outer side surfaces of the lifting guide plates for pushing the push plate are sequentially provided with a material clamping positioning vertical surface, a material pushing centering inclined surface and a resetting guide vertical surface from top to bottom, the middle parts of the reciprocating positioning swing plates are hinged and connected with the upper end parts of the reciprocating supports of the swing plates, and swing plate resetting tension springs are arranged between the two ends of the lower sides of the reciprocating positioning swing plates and the reciprocating supports of the swing plates for positioning on the two sides of the workpiece processing base in the process that the lifting guide plates for pushing the push plate synchronously and opposite directions, the structure is utilized, when the workpiece pressing cylinder drives the reciprocating lifting and pressure reducing plate to vertically move downwards, the reciprocating lifting and pressure reducing plate can generate a linkage effect with the positioning reciprocating swing plate, so that the workpiece can be stably and firmly pressed and fixed after moving, centering and positioning, the convenience and the accuracy of workpiece placement and processing are improved, when the workpiece pressing cylinder drives the reciprocating lifting and lowering plate to vertically move upwards, the push plate lifting guide plate can synchronously move upwards under the action of the push plate lifting spring, so that workpiece positioning push plates on two sides of a workpiece placement platform can synchronously separate from the workpiece, the workpiece which is processed can be conveniently and smoothly taken away, the workpiece positioning push plates are horizontally and fixedly arranged on a workpiece processing base in the middle of the lower side of the reciprocating lifting and lowering plate through a locking limiting mechanism, a reciprocating translation toothed plate at the output end of a push rod limiting cylinder is meshed and connected with a limiting reciprocating gear, translation push-pull connecting rods are respectively arranged between two sides of a limiting reciprocating turntable and limiting translation pin rods on the corresponding side, and the push plate lifting guide plate is horizontally provided with a locking limiting rod groove matched with the limiting translation pin rods along the side of the locking limiting mechanism, so that the push plate lifting guide plate is pushed to vertically move downwards to a required position by the reciprocating lifting and lowering plate, after the workpiece on the workpiece placing platform is centered, positioned and pressed and fixed, the limit reciprocating turntable is driven to rotate by the push rod limit cylinder, the limit translation pin rods on two sides of the limit reciprocating turntable are matched and connected with the lock limit rod grooves of the corresponding side push plate lifting guide plate, and the push plate lifting guide plate is locked and limited, so that when the workpiece pressing cylinder fails and is difficult to realize effective tension on the reciprocating lifting guide plate, and the workpiece processing pressing plate is difficult to generate stable and firm pressing and fixing force on the workpiece, the push plate lifting guide plate is locked and limited by the lock limit mechanism, the workpiece can be always limited, pressed and fixed by the workpiece positioning push plates on two sides of the workpiece placing platform, the phenomenon that the workpiece is deviated and inclined during processing to cause the error in workpiece processing can be effectively avoided, and the double insurance of positioning and fixing the workpiece during the processing process can be realized, the workpiece processing device has the advantages that the structural design is reasonable, the workpiece can be efficiently and stably centered, positioned and tightly pressed and fixed, the workpiece processing efficiency and quality are improved, and the processing and using requirements are met.

Drawings

Fig. 1 is a schematic front view of a processing platform for positioning a workpiece according to the present invention.

Fig. 2 is a left side view of the processing platform for positioning a workpiece according to the present invention.

Fig. 3 is a front view of the reciprocating lifting platen and the related mechanism of the invention.

Fig. 4 is a left side view of the reciprocating lifting platen and the related mechanism of the present invention.

Fig. 5 is a schematic view of the reciprocating lifter platen and its associated mechanism of the present invention as seen from a left side a.

Fig. 6 is a schematic view of the reciprocating lifting platen and the related mechanism of the present invention in a front view.

Fig. 7 is a schematic front view of the workpiece placing platform and its related mechanism according to the present invention.

Fig. 8 is a front view schematically showing the structure of the locking and restricting mechanism of the present invention.

Fig. 9 is a schematic top view of the locking and spacing mechanism of the present invention.

In the figure: 1. the device comprises a workpiece processing base, 2 a workpiece placing platform, 3 a reciprocating lifting and lowering plate, 4 a workpiece pressing cylinder, 5 a positioning reciprocating swing plate, 6 a push plate lifting guide plate, 7 a locking limiting mechanism, 8 a processing supporting vertical plate, 9 a workpiece processing press plate, 10 a material pressing lifting vertical plate, 11 a rotary adjusting connecting plate, 12 a press plate positioning support, 13 a press plate positioning guide rod, 14 a push rod spring baffle plate, 15 a guide rod reset spring, 16 an adjusting pull rod connecting plate, 17 a press plate positioning rod hole, 18 a thrust reciprocating guide plate, 19 a workpiece positioning push plate, 20 a thrust translation guide rod, 21 a translation limiting baffle plate, 22 a thrust translation channel, 23 a push plate translation spring, 24 a reciprocating lifting guide rod, 25 a lifting limiting baffle plate, 26 a push plate lifting spring, 27 a clamping positioning vertical surface, 28 a material pushing centering inclined surface, 29 a reset guiding vertical surface, 30. the device comprises a swing plate reciprocating support seat, 31 a swing plate return tension spring, 32 a locking limit support, 33 a limit reciprocating rotating shaft, 34 a push rod limit air cylinder, 35 a limit translation pin rod, 36 a limit reciprocating gear, 37 a toothed plate translation support, 38 a reciprocating translation toothed plate, 39 a limit reciprocating turntable, 40 a pin rod reciprocating guide plate, 41 a translation push-pull connecting rod, 42 a locking limit rod groove, 43 a limit bearing plate corner block, 44 a push plate translation guide wheel and 45 a bearing and pushing swing guide wheel.

Detailed Description

To further illustrate the present invention, a specific embodiment of a processing platform for positioning a workpiece is further described below with reference to the accompanying drawings, and the following examples are illustrative of the present invention and the present invention is not limited to the following examples.

As shown in fig. 1 and fig. 2, the invention relates to a processing platform for workpiece positioning, which comprises a workpiece processing base 1, a workpiece placing platform 2, a reciprocating pressure-increasing and pressure-reducing plate 3, a workpiece pressing cylinder 4, a positioning reciprocating swing plate 5, a push plate lifting guide plate 6 and a locking and limiting mechanism 7, wherein the workpiece placing platform 2, the reciprocating pressure-increasing and pressure-reducing plate 3 and the workpiece processing base 1 are sequentially and horizontally arranged from top to bottom, two sides of the workpiece placing platform 2 are respectively and symmetrically fixedly provided with a processing supporting vertical plate 8, two ends of the processing supporting vertical plate 8 are fixedly connected with the workpiece processing base 1, a plurality of workpiece pressing cylinders 4 are vertically and uniformly arranged between the lower side of the reciprocating pressure-increasing and pressure-reducing plate 3 and the workpiece processing base 1, the plurality of workpiece pressing cylinders 4 are driven in parallel by adopting the same air source, as shown in fig. 3, fig. 4, fig. 5 and fig. 6, two sides above the reciprocating pressure-increasing and pressure-reducing plate 3 are respectively and horizontally provided with a workpiece processing pressure plate 9, two workpiece processing press plates 9 are respectively arranged at two sides above a workpiece placing platform 2, reciprocating pressure rising and dropping plates 3 at two ends of the workpiece processing press plates 9 are respectively vertically and fixedly provided with a pressure material rising and dropping vertical plate 10, the end parts at two sides of the workpiece processing press plates 9 are respectively and fixedly provided with a rotating adjusting connecting plate 11, the end parts of the rotating adjusting connecting plates 11 are rotatably connected with the middle part of the pressure material rising and dropping vertical plate 10 at the corresponding side, the outer side of the upper end of the pressure material rising and dropping vertical plate 10 is fixedly provided with a press plate positioning bracket 12, the upper end of the pressure material rising and dropping vertical plate 10 is vertically provided with a press plate positioning guide rod 13, the press plate positioning guide rod 13 is arranged on the press plate positioning bracket 12 and the pressure material rising and dropping vertical plate 10 in a sliding way along the horizontal direction, a push rod spring baffle plate 14 is fixedly arranged on the press plate positioning guide rod 13 at the inner side of the press plate positioning bracket 12, and a guide rod reset spring 15 is sleeved on the press plate positioning guide rod 13 between the push rod spring baffle plate 14 and the press plate positioning bracket 12, an adjusting pull rod connecting plate 16 is fixedly arranged at the outer side end of the pressure plate positioning guide rod 13, a pressure plate positioning rod hole 17 matched with the pressure plate positioning guide rod 13 is arranged at the corresponding position on the rotary adjusting connecting plate 11, the rotary adjusting connecting plate 11 is ensured to be stably positioned at the vertical position by utilizing the matching connection of the pressure plate positioning guide rod 13 and the pressure plate positioning rod hole 17, a plurality of workpiece pressing cylinders 4 vertically and downwards pull the reciprocating pressure-increasing and pressure-reducing plate 3, the reciprocating pressure-increasing and pressure-reducing plate 3 can drive the workpiece processing pressure plates 9 at two sides to stably and firmly press and fix the workpieces on the workpiece placing platform 2, a limiting bearing plate corner block 43 is fixedly arranged on the pressure material lifting vertical plate 10 adjacent to the rotary adjusting connecting plate 11, the limiting bearing plate corner block 43 is arranged at the middle part of the pressure material lifting vertical plate 10 along the positioning reciprocating swing plate 5, when the rotation adjusting connecting plate 11 swings and adjusts, the rotation adjusting connecting plate 11 can be stably and accurately supported and placed by the limiting bearing plate corner block 43.

As shown in fig. 7, two sides of the workpiece placing platform 2 of the present invention are respectively horizontally provided with a push-and-pull reciprocating guide plate 18, the upper portion of the push-and-pull reciprocating guide plate 18 is horizontally and fixedly provided with a workpiece positioning push plate 19 along the side of the workpiece placing platform 2, the lower portion of the push-and-pull reciprocating guide plate 18 is respectively horizontally and fixedly provided with a push-and-pull translation guide rod 20 along two ends of the side of the workpiece placing platform 2, the push-and-pull translation guide rod 20 is horizontally and slidably arranged on the workpiece placing platform 2, the push-and-pull translation guide rod 20 along the side end of the workpiece placing platform 2 is fixedly provided with a translation limit baffle 21, the workpiece placing platform 2 is horizontally provided with a push-and-pull translation channel 22 matched with the translation limit baffle 21, the push-and-pull translation spring 23 is sleeved on the push-and-pull translation guide rod 20 between the push-and reciprocating guide plate 18 and the workpiece placing platform 2, the push plate lifting guide plates 6 are symmetrically arranged on two sides above the workpiece processing base 1 of the present invention, the push plate lifting guide plate 6 is horizontally arranged at the lower side of the reciprocating lifting and lowering plate 3, the workpiece processing bases 1 at the two ends of the push plate lifting guide plate 6 are respectively and vertically and fixedly provided with a reciprocating lifting guide rod 24, the upper end of the reciprocating lifting guide rod 24 is fixedly provided with a lifting limit baffle 25, the push plate lifting guide plate 6 is vertically and slidably arranged on the reciprocating lifting guide rod 24, the reciprocating lifting guide rod 24 at the lower side of the push plate lifting guide plate 6 is sleeved with a push plate lifting spring 26, the outer side surface of the push plate lifting guide plate 6 is sequentially provided with a clamping and positioning vertical surface 27, a pushing and centering inclined surface 28 and a reset guiding vertical surface 29 from top to bottom, the upper side and the lower side of the pushing and centering inclined surface 28 are in cambered surface transition connection with the clamping and positioning vertical surface 27 and the reset guiding vertical surface 29, the two sides above the workpiece processing bases 1 are respectively and vertically and fixedly provided with swing plate reciprocating supports 30, and the positioning reciprocating swing plate 5 is in a C-shaped structure, the middle part of a positioning reciprocating swing plate 5 is hinged and connected to the end part of the upper side of a swing plate reciprocating support 30, the positioning reciprocating swing plates 5 on two sides above a workpiece processing base 1 are symmetrically arranged, the end part of the upper side of the positioning reciprocating swing plate 5 is adjacently arranged on the outer side surface of a push plate reciprocating guide plate 18, the end part of the lower side of the positioning reciprocating swing plate 5 is adjacently arranged on the outer side surface of a push plate lifting guide plate 6, a swing plate reset tension spring 31 is arranged between the two ends of the lower side of the positioning reciprocating swing plate 5 and the swing plate reciprocating support 30, the end part of the upper side of the positioning reciprocating swing plate 5 is rotatably connected with a push plate translation guide wheel 44, the end part of the lower side of the positioning reciprocating swing plate 5 is rotatably connected with a push plate swinging guide wheel 45, in the process that the reciprocating lifting guide plate 3 pushes the push plate 6 to move from top to bottom, the positioning reciprocating swing plates 5 on two sides of the workpiece processing base 1 can synchronously swing under the pushing action of the push plate lifting guide plate 6, and the positioning reciprocating swing plate 5 can push the reciprocating guide plate 18 to move towards the workpiece placing platform 2 side to realize the opposite movement And (5) correcting, centering and positioning the workpiece.

As shown in fig. 8 and 9, the locking and limiting mechanism 7 of the present invention is horizontally and fixedly disposed on the workpiece processing base 1 at the lower middle portion of the reciprocating pressure rising and lowering plate 3, the locking and limiting mechanism 7 includes a locking and limiting support 32, a limiting reciprocating rotating shaft 33, a push rod limiting cylinder 34 and a limiting translation pin rod 35, the locking and limiting support 32 is horizontally and fixedly disposed on the workpiece processing base 1 at the lower middle portion of the reciprocating pressure rising and lowering plate 3, the limiting reciprocating rotating shaft 33 is vertically and rotatably connected to the middle portion of the locking and limiting support 32, the lower end of the limiting reciprocating rotating shaft 33 is horizontally and fixedly disposed with a limiting reciprocating gear 36, a toothed plate translation support 37 is horizontally and fixedly disposed on the locking and limiting support 32 at one side of the limiting reciprocating gear 36, a reciprocating translation toothed plate 38 engaged with the limiting reciprocating gear 36 is horizontally and movably disposed in the toothed plate translation support 37, the push rod limiting cylinder 34 is horizontally and fixedly disposed at one side of the toothed plate translation support 37, the output end of the push rod limit cylinder 34 is fixedly connected with the end part of the reciprocating translation toothed plate 38, the upper end of the limit reciprocating rotating shaft 33 is horizontally and fixedly provided with a limit reciprocating rotary plate 39, the locking limit brackets 32 at the two sides of the limit reciprocating rotary plate 39 are respectively and fixedly provided with a pin rod reciprocating guide plate 40, the pin rod reciprocating guide plates 40 at the two sides of the locking limit bracket 32 are respectively and horizontally provided with a limit translation pin rod 35, a translation push-pull connecting rod 41 is respectively arranged between the two ends of the upper part of the limit reciprocating rotary plate 39 along the radial direction and the limit translation pin rod 35 at the corresponding side, the two ends of the translation push-pull connecting rod 41 are respectively and hingedly connected with the outer side of the limit reciprocating rotary plate 39 and the end part of the limit translation pin rod 35, the push plate lifting guide plate 6 is horizontally provided with a locking limit rod groove 42 matched with the limit translation pin rod 35 along the side of the locking limit mechanism 7, and the push plate lifting guide plate 6 is locked and limited by the locking limit mechanism 7, the workpiece positioning push plates 19 on the two sides of the workpiece placing platform 2 can always limit and compress workpieces, the workpieces can be effectively prevented from being deviated during machining, the machining errors of the workpieces are avoided being scrapped, the workpieces are positioned and fixed in the machining process to carry out double insurance, the efficiency and the quality of workpiece machining are effectively improved, and the rejection rate and the machining potential safety hazards in the machining process of the workpieces are reduced.

By adopting the technical scheme, when the processing platform for positioning the workpiece is used, the end parts of the rotary adjusting connecting plates 11 at the two sides of the workpiece processing press plate 9 are rotatably connected to the middle part of the pressing material lifting vertical plate 10 at the corresponding side, the press plate positioning guide rods 13 are arranged on the press plate positioning bracket 12 and the pressing material lifting vertical plate 10 in a sliding manner along the horizontal direction, the corresponding positions on the rotary adjusting connecting plates 11 are provided with press plate positioning rod holes 17 matched with the press plate positioning guide rods 13, when the workpiece is required to be placed on the upper side of the workpiece placing platform 2, the rotary adjusting connecting plates 11 drive the workpiece processing press plate 9 to swing, so that the workpiece processing press plate 9 is swung and adjusted to the two sides of the workpiece placing platform 2, the workpiece processing press plate 9 can be prevented from blocking the workpiece when being placed on the workpiece placing platform 2, and the workpiece can be conveniently and smoothly placed on the workpiece placing platform 2, when the rotary adjusting connecting plate 11 is adjusted to a vertical position in a swinging way, the matching connection of the press plate positioning guide rod 13 and the press plate positioning rod hole 17 ensures that the rotary adjusting connecting plate 11 is stably positioned at the vertical position, the workpiece processing press plates 9 at two sides of the workpiece placing platform 2 can be respectively positioned at two sides above the workpiece, a plurality of workpiece pressing cylinders 4 are vertically and uniformly arranged between the lower side of the reciprocating pressure and rise plate 3 and the workpiece processing base 1, the reciprocating pressure and rise plate 3 is vertically and downwards pulled by the plurality of workpiece pressing cylinders 4, the reciprocating pressure and rise plate 3 can drive the workpiece processing press plates 9 at two sides to stably and firmly press and fix the workpiece on the workpiece placing platform 2, the plurality of workpiece pressing cylinders 4 are driven in parallel by adopting the same air source to ensure that the reciprocating pressure and rise plate 3 can stably and accurately move under the driving of the plurality of workpiece pressing cylinders 4, and the limiting bearing plate corner block 43 is fixed on the pressing and rise plate 10 adjacent to the rotary adjusting connecting plate 11, when the rotation adjusting connecting plate 11 is adjusted in a swinging mode, the limiting bearing plate angle block 43 can stably and accurately support and place the rotation adjusting connecting plate 11, the push plate lifting guide plates 6 on the two sides above the workpiece processing base 1 are horizontally arranged on the lower side of the reciprocating lifting and lowering plate 3, the push plate lifting guide plates 6 are vertically and slidably arranged on the reciprocating lifting guide rods 24, the reciprocating lifting guide rods 24 on the lower side of the push plate lifting guide plates 6 are sleeved with push plate lifting springs 26, so that when the workpiece pressing cylinder 4 drives the reciprocating lifting and lowering plate 3 to perform lifting motion along the vertical direction, the push plate lifting guide plates 6 can perform stable and smooth reciprocating lifting motion under the action of the downward pressure of the reciprocating lifting and lowering plate 3 and the upward elastic force of the push plate lifting springs 26, the workpiece positioning push plates 19 are horizontally and fixedly arranged on the upper parts of the pushing reciprocating guide plates 18 on the two sides of the workpiece placing platform 2, and the pushing translation guide rods 20 on the lower parts of the pushing reciprocating guide plates 18 are horizontally and slidably arranged on the workpiece placing platform 2, a push plate translation spring 23 is sleeved on a push translation guide rod 20 between the push reciprocating guide plate 18 and the workpiece placing platform 2, when the push reciprocating guide plate 18 moves towards the workpiece placing platform 2 under the action of external force, the workpiece positioning push plate 19 can horizontally push the workpiece on the workpiece placing platform 2, therefore, when the push reciprocating guide plates 18 on the two sides of the workpiece placing platform 2 synchronously move in opposite directions, the workpiece positioning push plate 19 can realize deviation-correcting centering positioning on the workpiece, the workpiece can be stably and accurately placed and fixed on the workpiece placing platform 2, when the push reciprocating guide plate 18 loses external thrust, the push reciprocating guide plate 18 can automatically translate and reset under the action of the push plate translation spring 23, and a material clamping positioning vertical surface 27, a material pushing centering inclined surface 28 and a reset guiding vertical surface 29 are sequentially arranged on the outer side surface of the push lifting guide plate 6 from top to bottom, the middle part of the positioning reciprocating swing plate 5 is hinged and connected with the end part of the upper side of the swing plate reciprocating support 30, a swing plate reset tension spring 31 is arranged between the two ends of the lower side of the positioning reciprocating swing plate 5 and the swing plate reciprocating support 30, so that in the process of moving the push plate lifting guide plate 6 from top to bottom, the positioning reciprocating swing plates 5 at the two sides of the workpiece processing base 1 can synchronously swing in opposite directions under the pushing action of the push plate lifting guide plate 6, the positioning reciprocating swing plate 5 can push the pushing reciprocating guide plate 18 to move towards the workpiece placing platform 2 side to realize the deviation-correcting centering positioning of the workpiece, the elastic traction of the positioning reciprocating swing plate 5 is realized by the swing plate reset tension spring 31, the lower end of the positioning reciprocating swing plate 5 is always pressed and attached to the outer side surface of the push plate lifting guide plate 6, the positioning reciprocating swing plate 5 can conveniently and smoothly reciprocate, and the end part of the upper side of the positioning reciprocating swing plate 5 is rotatably connected with a push plate translation guide wheel 44, the lower side end part of the positioning reciprocating swing plate 5 is rotatably connected with a thrust swing guide wheel 45, so that the resistance of the positioning reciprocating swing plate 5 during working operation can be effectively reduced, by utilizing the structure, when the workpiece pressing cylinder 4 drives the reciprocating pressure-increasing and pressure-decreasing plate 3 to vertically move downwards, the reciprocating pressure-increasing and pressure-decreasing plate 3 can generate linkage action with the positioning reciprocating swing plate 5, so that a workpiece can be stably and firmly pressed and fixed after moving, centering and positioning, the convenience and accuracy of placing and processing the workpiece are improved, when the workpiece pressing cylinder 4 drives the reciprocating pressure-increasing and pressure-decreasing plate 3 to vertically move upwards, the push plate lifting guide plate 6 can synchronously move upwards under the action of the push plate lifting spring 26, so that the workpiece positioning push plates 19 at the two sides of the workpiece placing platform 2 can synchronously separate from the workpiece, the workpiece which is processed can be conveniently and smoothly taken away, and the locking limiting mechanism 7 is horizontally and fixedly arranged on the workpiece processing base 1 in the middle part of the lower side of the reciprocating pressure-increasing and pressure-decreasing plate 3, a reciprocating translation toothed plate 38 at the output end of a push rod limiting cylinder 34 is meshed with a limiting reciprocating gear 36, translation push-pull connecting rods 41 are respectively arranged between two sides of a limiting reciprocating turntable 33 and limiting translation pin rods 35 at the corresponding sides, a locking limiting rod groove 42 matched with the limiting translation pin rods 35 is horizontally arranged on the push plate lifting guide plate 6 along the locking limiting mechanism 7 side, so that the push plate lifting guide plate 3 pushes the push plate lifting guide plate 6 to vertically move downwards to a required position, a workpiece on the workpiece placing platform 2 is centered, positioned and compressed and fixed, the push rod limiting cylinder 34 is utilized to drive the limiting reciprocating turntable 39 to rotate, the limiting translation pin rods 35 at two sides of the limiting reciprocating turntable 39 are matched and connected with the locking limiting rod grooves 42 of the corresponding side push plate lifting guide plate 6, the locking limiting of the push plate lifting guide plate 6 is realized, and when the workpiece pressing cylinder 4 fails, the effective realization of the pulling force on the reciprocating lifting guide plate 3 is difficult to realize, when the workpiece processing pressing plate 9 is difficult to generate stable and firm pressing fixing force for the workpiece, the locking limiting mechanism 7 is used for locking and limiting the push plate lifting guide plate 6, the workpiece positioning push plates 19 on the two sides of the workpiece placing platform 2 can always limit and fix the workpiece, the workpiece is effectively prevented from being deviated and generating errors in workpiece processing and scrapped, the workpiece is positioned and fixed in the processing process to realize double insurance, the workpiece processing efficiency and quality are effectively improved, and the scrappage and the processing potential safety hazard in the workpiece processing process are reduced. Through the structure, the workpiece centering and pressing device is reasonable in structural design, can be used for efficiently and stably centering, positioning, pressing and fixing the workpiece, improves the efficiency and quality of workpiece processing, and meets the processing and using requirements.

The above description of the present invention is intended to be illustrative. Various modifications, additions and substitutions for the specific embodiments described may be made by those skilled in the art without departing from the scope of the invention as defined in the accompanying claims.

Claims

1. A processing platform for workpiece positioning, characterized in that: the processing platform for positioning the workpiece comprises a workpiece processing base, a workpiece placing platform, a reciprocating pressure and rise plate, a workpiece pressing cylinder, a positioning reciprocating swing plate, a push plate lifting guide plate and a locking limiting mechanism, wherein the workpiece placing platform, the reciprocating pressure and rise plate and the workpiece processing base are sequentially horizontally arranged from top to bottom, two sides of the workpiece placing platform are respectively and symmetrically fixedly provided with a processing supporting vertical plate, two ends of the processing supporting vertical plate are fixedly connected with the workpiece processing base, a plurality of workpiece pressing cylinders are vertically and uniformly arranged between the lower side of the reciprocating pressure and rise plate and the workpiece processing base, two sides above the reciprocating pressure and rise plate are respectively and horizontally provided with a workpiece processing pressing plate, two workpiece processing pressing plates are respectively arranged on two sides above the workpiece placing platform, and reciprocating pressure and rise plates at two ends of the workpiece processing pressing plates are respectively and vertically and fixedly provided with a material pressing lifting vertical plate, the end parts of both sides of a workpiece processing pressing plate are respectively and fixedly provided with a rotary adjusting connecting plate, the end part of the rotary adjusting connecting plate is rotatably connected with the middle part of a pressing material lifting vertical plate at the corresponding side, the outer side of the upper end of the pressing material lifting vertical plate is fixedly provided with a pressing plate positioning bracket, the upper end of the pressing material lifting vertical plate is vertically provided with a pressing plate positioning guide rod, the pressing plate positioning guide rod is arranged on the pressing plate positioning bracket and the pressing material lifting vertical plate in a sliding way along the horizontal direction, a push rod spring baffle is fixedly arranged on the pressing plate positioning guide rod at the inner side of the pressing plate positioning bracket, a guide rod reset spring is sleeved on the pressing plate positioning guide rod between the push rod spring baffle and the pressing plate positioning bracket, the end part of the outer side of the pressing plate positioning guide rod is fixedly provided with an adjusting pull rod connecting plate, a pressing plate positioning rod hole matched with the pressing plate positioning guide rod is arranged at the corresponding position on the rotary adjusting connecting plate, and a reciprocating guide plate is respectively and horizontally arranged at both sides of the workpiece placing platform, the upper part of the thrust reciprocating guide plate is horizontally and fixedly provided with a workpiece positioning push plate along the side of the workpiece placing platform, the lower part of the thrust reciprocating guide plate is horizontally and fixedly provided with thrust translation guide rods along the two ends of the side of the workpiece placing platform respectively, the thrust translation guide rods are horizontally and slidably arranged on the workpiece placing platform, the thrust translation guide rods are fixedly provided with translation limit baffles along the side end part of the workpiece placing platform, a thrust translation channel matched with the translation limit baffles is horizontally arranged in the workpiece placing platform, a push plate translation spring is sleeved on the thrust translation guide rods between the thrust reciprocating guide plate and the workpiece placing platform, push plate lifting guide plates are symmetrically arranged on two sides above the workpiece processing base, the push plate lifting guide plates are horizontally arranged at the lower side of the reciprocating lifting guide plates, the workpiece processing bases at the two ends of the push plate lifting guide plates are respectively and vertically and fixedly provided with reciprocating lifting guide rods, and the upper ends of the reciprocating lifting limit baffles are fixedly arranged on the reciprocating lifting guide rods, the push plate lifting guide plate is vertically and slidably arranged on the reciprocating lifting guide rod, a push plate lifting spring is sleeved on the reciprocating lifting guide rod on the lower side of the push plate lifting guide plate, a clamping and positioning vertical surface, a pushing and centering inclined surface and a reset guide vertical surface are sequentially arranged on the outer side surface of the push plate lifting guide plate from top to bottom, the upper side and the lower side of the pushing and centering inclined surface are in cambered surface transitional connection with the clamping and positioning vertical surface and the reset guide vertical surface, swing plate reciprocating supports are respectively and vertically and fixedly arranged on the two sides above the workpiece processing base, the positioning reciprocating swing plate is of a C-shaped structure, the middle part of the positioning reciprocating swing plate is hinged and connected to the upper side end part of the swing plate reciprocating support, the positioning reciprocating swing plates on the two sides above the workpiece processing base are symmetrically arranged, the upper side end parts of the positioning reciprocating swing plates are adjacently arranged on the outer side surface of the push plate lifting guide plate, and the lower side end parts of the positioning reciprocating swing plate are adjacently arranged on the outer side surface of the push plate lifting guide plate, a swing plate reset tension spring is arranged between two ends of the lower side of the positioning reciprocating swing plate and a swing plate reciprocating support, a locking limiting mechanism is horizontally and fixedly arranged on a workpiece machining base at the middle part of the lower side of the reciprocating lifting pressing plate, the locking limiting mechanism comprises a locking limiting support, a limiting reciprocating rotating shaft, a push rod limiting cylinder and a limiting translation pin rod, the locking limiting support is horizontally and fixedly arranged on the workpiece machining base at the middle part of the lower side of the reciprocating lifting pressing plate, the limiting reciprocating rotating shaft is vertically and rotatably connected to the middle part of the locking limiting support, a limiting reciprocating gear is horizontally and fixedly arranged at the lower end of the limiting reciprocating rotating shaft, a toothed plate translation support is horizontally and fixedly arranged on the locking limiting support at one side of the limiting reciprocating gear, a reciprocating translation toothed plate meshed with the limiting reciprocating gear is horizontally and slidably arranged in the toothed plate translation support, and the push rod limiting cylinder is horizontally and fixedly arranged at one side of the toothed plate translation support, the output end of the push rod limiting cylinder is fixedly connected with the end part of the reciprocating translation toothed plate, the upper end of the limiting reciprocating rotating shaft is horizontally and fixedly provided with a limiting reciprocating rotary plate, the locking limiting supports on two sides of the limiting reciprocating rotary plate are respectively and fixedly provided with pin rod reciprocating guide plates, the pin rod reciprocating guide plates on two sides of the locking limiting support are respectively and horizontally provided with a limiting translation pin rod, the upper part of the limiting reciprocating rotary plate is respectively provided with a translation push-pull connecting rod between two ends along the radial direction and the limiting translation pin rod on the corresponding side, two ends of the translation push-pull connecting rod are respectively hinged and connected to the outer side of the limiting reciprocating rotary plate and the end part of the limiting translation pin rod, and the push plate lifting guide plate is horizontally provided with a locking limiting rod groove matched with the limiting translation pin rod along the side of the locking limiting mechanism.

2. A tooling platform for positioning a workpiece according to claim 1 wherein: and the workpiece pressing cylinders on the lower side of the reciprocating pressure-rising and-reducing plate are driven in parallel by the same air source.

3. A tooling platform for positioning a workpiece according to claim 1 wherein: the rotating adjusting connecting plate is fixedly provided with a limiting bearing plate corner block on the adjacent material pressing lifting vertical plate, and the limiting bearing plate corner block is arranged in the middle of the material pressing lifting vertical plate along the side of the positioning reciprocating swing plate.

4. A tooling platform for positioning a workpiece according to claim 1 wherein: the end part of the upper side of the positioning reciprocating swing plate is rotatably connected with a push plate translation guide wheel, and the end part of the lower side of the positioning reciprocating swing plate is rotatably connected with a push bearing swing guide wheel.