CN217914862U - Positioning device and processing equipment - Google Patents

Abstract

The application provides a positioner and processing equipment, above-mentioned positioner includes the mounting bracket, positioning element, first swing arm, second swing arm and elastic component, positioning element includes the setting element, be equipped with card portion on the setting element, card portion and the part looks block that is undetermined, the one end and the mounting bracket rotatable coupling of first swing arm, the other end of first swing arm and the one end rotatable coupling of setting element, the one end and the mounting bracket rotatable coupling of second swing arm, the other end of second swing arm and the other end rotatable coupling of setting element, elastic component includes the elastic component, the elastic component is used for providing the restoring force opposite with the direction of motion of part that is undetermined to the setting element. This application is connected the setting element with the mounting bracket through adopting first swing arm and second swing arm to adopt the elastic component to provide the restoring force to the setting element, can be accurately inject the position of part to be positioned on corresponding machining-position, guaranteed the machining precision to the work piece, guaranteed the processing equipment simultaneously and can normal operating.

Description

Positioning device and processing equipment

Technical Field

The application belongs to the technical field of positioning equipment, and particularly relates to a positioning device and processing equipment.

Background

At present, in order to reduce the resistance on the workpiece transport frame of the processing equipment, the rollers are usually installed on the workpiece transport frame, so that the workpiece transport frame can smoothly move on the frame of the processing equipment, meanwhile, in order to stop the workpiece transport frame at a certain processing station, the frame of the processing equipment is usually provided with a positioning device at a position corresponding to the processing station, and when the workpiece transport frame contacts with the positioning device, the positioning device can limit the position of the workpiece transport frame.

However, the movement resistance of the workpiece transport frame provided with the rollers is small, so that the workpiece transport frame can generate large inertia in the movement process, the inertia of the workpiece transport frame cannot be accurately offset by the traditional positioning device, the situation that the workpiece transport frame rebounds after being contacted with the positioning device or the situation that the workpiece transport frame continues to move forwards under the action of the inertia and is separated from the positioning device is caused, the workpiece transport frame cannot be accurately positioned, the deviation of the workpiece during processing is caused, and even the workpiece or other parts of the processing equipment can be damaged, so that the processing equipment cannot normally operate.

SUMMERY OF THE UTILITY MODEL

An object of the embodiment of the application is to provide a positioning device and a processing device, so as to solve the technical problem that the positioning device in the prior art cannot accurately offset the inertia of a workpiece transportation frame, so that the workpiece transportation frame cannot be accurately positioned.

In order to achieve the above purpose, the embodiment of the present application adopts the following technical solutions: there is provided a positioning device including:

a mounting frame;

the positioning assembly comprises a positioning piece arranged at an interval with the mounting rack, a clamping part is arranged on the positioning piece, and the clamping part is clamped with the part to be positioned so as to limit the position of the part to be positioned;

one end of the first swing arm is rotatably connected with the mounting frame, and the other end of the first swing arm is rotatably connected with one end of the positioning piece;

the second swing arm and the first swing arm are sequentially distributed along the movement direction of the part to be positioned, the second swing arm and the first swing arm are arranged in parallel, one end of the second swing arm is rotatably connected with the mounting frame, and the other end of the second swing arm is rotatably connected with the other end of the positioning piece;

and the elastic component comprises an elastic part, and the elastic part is used for providing restoring force opposite to the movement direction of the part to be positioned for the positioning part.

Optionally, the clamping portion is a first clamping groove, and the first clamping groove is used for clamping the component to be positioned so as to limit the position of the component to be positioned.

Optionally, the setting element has along the direction of motion of the part to be positioned first end and second end that distributes in proper order, first swing arm with first end rotatable coupling, the second swing arm with second end rotatable coupling, first draw-in groove set up in first end with between the second end, first serving is equipped with first leading-in face, first leading-in face is in certainly first end court the direction of second end is gone upward to keep away from the direction slope setting of mounting bracket.

Optionally, the clamping part is a clamping block, and the clamping block is used for clamping with the component to be positioned so as to limit the position of the component to be positioned.

Optionally, the fixture block has a first side and a second side that are sequentially distributed along the movement direction of the component to be positioned, a second introduction surface is arranged on the first side, and the second introduction surface is obliquely arranged in a direction away from the mounting frame from the first side to the second side.

Optionally, the positioning assembly further includes a pressing member connected to the positioning member, the elastic assembly further includes a support connected to the mounting frame, one end of the elastic member abuts against the support, and the other end of the elastic member abuts against the pressing member.

Optionally, the elastic assembly further includes a guide rod, the guide rod is mounted on the support, the elastic member is a spring, and the elastic member is sleeved on the guide rod.

Optionally, the elastic assembly further includes a first nut, a first thread portion is disposed at one end of the guide rod close to the pressing member, the first nut is in threaded connection with the first thread portion, and the first nut can abut against one side of the pressing member away from the elastic member after being in threaded connection with the first thread portion; and/or the presence of a gas in the atmosphere,

the elastic component further comprises a second nut, a second thread portion is arranged at one end, close to the support, of the guide rod, the second nut is in threaded connection with the second thread portion, and the second nut can abut against one side, away from the elastic piece, of the support after being in threaded connection with the second thread portion.

Optionally, a strip-shaped hole is formed in the pressing part and used for allowing the guide rod to penetrate through, and the strip-shaped hole extends from the mounting frame to the direction of the positioning part.

The positioning device provided by the embodiment of the application has at least the following beneficial effects: compared with the prior art, this application is connected the setting element with the mounting bracket through adopting first swing arm and second swing arm, and adopt the elastic component to provide the restoring force opposite with the direction of motion of part to be positioned to the setting element, when part to be positioned contacts with the setting element, the setting element not only can produce the displacement in the direction of motion of part to be positioned, can also produce the displacement in the direction that is close to the mounting bracket, at this moment, the setting element extrudees the elastic component, make the elastic component produce act on the setting element and with the restoring force opposite of the direction of motion of part to be positioned, until card portion and part to be positioned block in the same time, the setting element resets towards the direction of keeping away from the mounting bracket under the effect of above-mentioned restoring force, at this moment, under the effect of no other external forces, part to be positioned can's continuation forward motion, thereby accurately prescribe the position of part to be positioned on corresponding processing station, the machining precision to the work piece has been guaranteed, the other part contact of work piece with processing equipment has been avoided simultaneously, guarantee processing equipment can normal operating, the operational reliability of processing equipment has been improved.

In order to achieve the above object, the present application further provides a processing apparatus, which includes a frame, a workpiece transportation frame, and the positioning device according to any one or more of the above embodiments, wherein the workpiece transportation frame is movably installed on the frame, the mounting rack of the positioning device is connected to the frame, and the positioning member of the positioning device contacts with the workpiece transportation frame to limit the position of the workpiece transportation frame.

Because the processing equipment adopts the positioning device in any one or more of the embodiments, the workpiece conveying frame can be accurately positioned, so that the workpiece conveying frame can be accurately stopped on a corresponding processing station, the processing precision of the workpiece is ensured, meanwhile, the workpiece is prevented from contacting with other parts of the processing equipment, the normal operation of the processing equipment is ensured, and the working reliability of the processing equipment is improved.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.

Fig. 1 is a schematic structural diagram of a processing apparatus according to an embodiment of the present disclosure;

FIG. 2 is a schematic view of a positioning device in the processing apparatus shown in FIG. 1;

FIG. 3 is a schematic structural diagram of a positioning element in the positioning device shown in FIG. 2;

FIG. 4 is a schematic view of the pressing member of the positioning device shown in FIG. 2;

fig. 5 is a schematic structural view of a positioning element according to another embodiment of the present application.

Wherein, in the figures, the various reference numbers:

100. a positioning device; 110. a mounting frame; 120. a positioning assembly; 121. a positioning member; 1211. a first card slot; 12111. leading out the noodles; 1212. a first end; 12121. a first lead-in surface; 1213. a second end; 1214. A clamping block; 12141. a first side; 12142. a second side; 12143. a second lead-in surface; 122. a biasing member; 1221. a strip-shaped hole; 1222. a connecting portion; 1223. a pressing part; 130. a first swing arm; 140. a second swing arm; 150. an elastic member; 151. an elastic member; 152. a support; 153. a guide bar; 154. a first nut; 200. a frame; 300. a workpiece transport rack; 310. a clamping piece.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present application clearer, the present application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of and not restrictive on the broad application.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in an orientation or positional relationship indicated in the drawings for convenience in describing the application and to simplify the description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed in a particular orientation, and be constructed in operation as a limitation of the application.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.

The first aspect of the present application provides a positioning device 100, the positioning device 100 can be applied to various processing apparatuses, such as a circuit board processing apparatus, a plastic part processing apparatus, and the like, and the application of the positioning device 100 to the circuit board processing apparatus is taken as an example below, and the positioning device 100 provided in the embodiments of the present application is described with reference to the accompanying drawings.

Referring to fig. 2, the positioning apparatus 100 includes a mounting frame 110, a positioning assembly 120, a first swing arm 130, a second swing arm 140, and an elastic assembly 150. Positioning element 120 includes setting element 121, and setting element 121 and mounting bracket 110 interval set up, understandably, and setting element 121 and mounting bracket 110 interval set up from top to bottom, and the interval sets up about also can, is equipped with card portion on the setting element 121, and card portion and work piece transportation frame 300 looks block are in order to inject the position of work piece transportation frame 300, understandably, and in circuit board processing equipment, work piece transportation frame 300 is used for transporting the circuit board. One end of the first swing arm 130 is rotatably connected to the mounting frame 110, and the other end of the first swing arm 130 is rotatably connected to one end of the positioning member 121. The second swing arm 140 and the first swing arm 130 are sequentially distributed along the moving direction of the workpiece transporting frame 300, the second swing arm 140 and the first swing arm 130 are arranged in parallel, one end of the second swing arm 140 is rotatably connected with the installing frame 110, and the other end of the second swing arm 140 is rotatably connected with the other end of the positioning part 121. The elastic assembly 150 includes an elastic member 151, and the elastic member 151 is used to provide a restoring force to the positioning member 121 opposite to the moving direction of the workpiece transport carriage 300.

The positioning device 100 provided by the present application, compared with the prior art, the present application connects the positioning element 121 with the mounting rack 110 by using the first swing arm 130 and the second swing arm 140, and provides a restoring force opposite to the moving direction of the workpiece transport rack 300 to the positioning element 121 by using the elastic element 151, please refer to fig. 1 and fig. 2, arrows in fig. 1 and fig. 2 all indicate the moving direction of the workpiece transport rack 300, when the workpiece transport rack 300 contacts with the positioning element 121, the positioning element 121 not only can generate a displacement in the moving direction of the workpiece transport rack 300, but also can generate a displacement in a direction close to the mounting rack 110, at this time, the positioning element 121 extrudes the elastic element 151, so that the elastic element 151 generates a restoring force acting on the positioning element 121 and opposite to the moving direction of the workpiece transport rack 300, until the clamping portion is clamped with the workpiece transport rack 300, the positioning element 121 resets in a direction far away from the mounting rack 110 under the effect of the restoring force, at this time, under the effect of no other external force, the workpiece transport rack 300 cannot continue to move forward, thereby accurately limiting the position of the workpiece transport rack 300 on a corresponding processing station, and ensuring the reliability of a processing equipment and the processing circuit board, and improving the reliability of the circuit board.

In an embodiment of the present application, referring to fig. 3, the locking portion is a first locking slot 1211, and the first locking slot 1211 is used for locking the workpiece transport rack 300 to define a position of the workpiece transport rack 300. Specifically, the workpiece transport rack 300 is provided with the engaging member 310, when the engaging member 310 contacts with the positioning member 121, the positioning member 121 can displace not only in the moving direction of the workpiece transport rack 300, but also in the direction close to the mounting rack 110, at this time, the positioning member 121 presses the elastic member 151, so that the elastic member 151 generates a restoring force which acts on the positioning member 121 and is opposite to the moving direction of the workpiece transport rack 300, until the engaging member 310 of the workpiece transport rack 300 is clamped into the first slot 1211, the positioning member 121 resets in the direction away from the mounting rack 110 under the effect of the above-mentioned restoring force, at this time, the engaging member 310 is limited in the first slot 1211 under the absence of other external force, that is, the workpiece transport rack 300 cannot continue to move forward, thereby accurately limiting the position of the workpiece transport rack 300 on the corresponding processing station.

In the above embodiment, referring to fig. 3, the positioning element 121 has a first end 1212 and a second end 1213 distributed in sequence along the moving direction of the workpiece transportation frame 300, the first swing arm 130 is rotatably connected to the first end 1212 of the positioning element 121, the second swing arm 140 is rotatably connected to the second end 1213 of the positioning element 121, the first engaging slot 1211 is disposed between the first end 1212 of the positioning element 121 and the second end 1213 of the positioning element 121, the first introducing surface 12121 is disposed on the first end 1212 of the positioning element 121, and the first introducing surface 12121 is inclined from the first end 1212 of the positioning element 121 toward the second end 1213 of the positioning element 121 in a direction away from the mounting frame 110, in other words, after the first introducing surface 12121 is disposed at the first end 1212 of the positioning element 121, the height of the first end 1212 of the positioning element 121 (i.e., the dimension in a direction perpendicular to the moving direction of the workpiece transportation frame 300) is gradually increased toward the second end 1213 of the positioning element 121, and, during operation, the engaging element 310 of the workpiece transportation frame 300 first introducing surface contacts the first introducing surface 12121 can enter the first end 1213 to ensure that the impact surface of the positioning element 121 can stably and the circuit board 121, thereby effectively and the impact processing circuit board 1213 can be stably processed.

In the above embodiment, referring to fig. 3, a groove wall of the first slot 1211, which is close to the second end 1213 of the positioning element 121, is provided with a leading-out surface 12111, the leading-out surface 12111 is inclined from the first end 1212 of the positioning element 121 toward the second end 1213 of the positioning element 121 toward a direction away from the mounting block 110, and during operation, under the action of an external driving force, the engaging member 310 of the workpiece transport frame 300 can be quickly separated from the first slot 1211 along the leading-out surface 12111, thereby further ensuring that the pcb processing apparatus can operate stably.

In another embodiment of the present application, referring to fig. 5, the latching portion is a latch 1214, and the latch 1214 is used for engaging with the workpiece transport rack 300 to define the position of the workpiece transport rack 300. Specifically, a second clamping groove (not shown) has been opened on the workpiece transportation frame 300, when the workpiece transportation frame 300 contacts with the positioning element 121, the positioning element 121 not only can produce displacement in the movement direction of the workpiece transportation frame 300, but also can produce displacement in the direction close to the mounting frame 110, at this moment, the positioning element 121 extrudes the elastic element 151, so that the elastic element 151 produces a restoring force acting on the positioning element 121 and opposite to the movement direction of the workpiece transportation frame 300, until the clamping block 1214 is clamped into the second clamping groove, the positioning element 121 resets in the direction far away from the mounting frame 110 under the effect of the above-mentioned restoring force, at this moment, under the effect of no other external force, the clamping block 1214 is limited in the second clamping groove, that is, the workpiece transportation frame 300 cannot continue to move forward, and thus accurately defining the position of the workpiece transportation frame 300 on the corresponding processing station.

In the above embodiment, referring to fig. 5, the latch 1214 has a first side 12141 and a second side 12142 sequentially distributed along the moving direction of the workpiece carrier 300, the first side 12141 is provided with a second introduction surface 12143, and the second introduction surface 12143 is inclined in a direction away from the mounting frame 110 from the first side 12141 toward the second side 12142. In other words, after the first side 12141 of the fixture 1214 is provided with the second lead-in surface 12143, the height of the first side 12141 of the fixture 1214 (i.e., the dimension in the direction perpendicular to the moving direction of the workpiece transport rack 300) gradually increases toward the second side 12142 of the fixture 1214, and during operation, the workpiece transport rack 300 first contacts with the second lead-in surface 12143, and then the fixture 1214 can rapidly enter the second slot under the guiding action of the second lead-in surface 12143, so that the impact force between the workpiece transport rack 300 and the fixture 1214 is effectively buffered, and the stable operation of the circuit board processing apparatus is ensured.

In an embodiment of the present application, referring to fig. 2, the positioning assembly 120 further includes a pressing member 122, the pressing member 122 is connected to the positioning member 121, the elastic assembly 150 further includes a support 152, the support 152 is connected to the mounting frame 110, one end of the elastic member 151 abuts against the support 152, and the other end of the elastic member 151 abuts against the pressing member 122. Specifically, referring to fig. 4, the pressing member 122 includes a connecting portion 1222 and a pressing portion 1223, the connecting portion 1222 is connected to the positioning member 121, and the pressing portion 1223 abuts against one end of the elastic member 151.

It is understood that the connecting portion 1222 may be detachably connected to the positioning element 121, for example, the connecting portion 1222 is connected to the positioning element 121 by fastening, and the connecting portion 1222 may also be connected to the positioning element 121 integrally, for example, the connecting portion 1222 is connected to the positioning element 121 by welding; similarly, the support 152 may be detachably connected to the mounting frame 110, for example, the support 152 is connected to the mounting frame 110 by fastening, and the support 152 may also be connected to the mounting frame 110 integrally, for example, the support 152 is connected to the mounting frame 110 by welding.

In the above embodiment, referring to fig. 2, the elastic assembly 150 further includes a guide rod 153, the guide rod 153 is mounted on the support 152, the elastic member 151 is a spring, and the elastic member 151 is sleeved on the guide rod 153. By using a spring as the elastic member 151 and sleeving the elastic member 151 on the guide rod 153, on one hand, the elastic member 151 can be ensured to perform a stable telescopic motion, and on the other hand, the elastic member 151 can be prevented from separating from the position between the pressing member 122 and the support 152, so that the working stability of the elastic assembly 150 is ensured.

It is understood that the extending direction of the guide rod 153 coincides with the moving direction of the workpiece transport carriage 300, and accordingly, the extending direction of the elastic member 151 coincides with the moving direction of the workpiece transport carriage 300; alternatively, the extending direction of the guide rod 153 and the moving direction of the workpiece carriage 300 are at an acute angle to each other, and accordingly, the extending direction of the elastic member 151 and the moving direction of the workpiece carriage 300 are at an acute angle to each other.

In the above embodiment, referring to fig. 2, the elastic assembly 150 further includes a first nut 154, one end of the guide rod 153 close to the pressing part 122 is provided with a first threaded portion, the first nut 154 is in threaded connection with the first threaded portion, and the first nut 154 can abut against one side of the pressing part 122 away from the elastic part 151 after being in threaded connection with the first threaded portion, that is, the first nut 154 can abut against one side of the pressing part 1223 away from the elastic part 151 after being in threaded connection with the first threaded portion. When the positioning device is used, the initial compression amount of the elastic part 151 can be adjusted by screwing the first nut 154, so that the restoring force provided by the elastic part 151 to the positioning part 121 can be matched with the inertia generated when the workpiece transport rack 300 moves, the inertia of the workpiece transport rack 300 can be offset accurately by the positioning device 100, the situation that the workpiece transport rack 300 rebounds after being contacted with the positioning device 100 or the situation that the workpiece transport rack continues to move forwards under the action of inertia and is separated from the positioning device 100 is avoided, and the workpiece transport rack 300 is positioned accurately.

In the above embodiment, the elastic component 150 further includes a second nut (not shown), one end of the guide rod 153 close to the support 152 is provided with a second threaded portion, the second nut is in threaded connection with the second threaded portion, and the second nut can abut against one side of the support 152 away from the elastic component 151 after being in threaded connection with the second threaded portion. When the positioning device is used, the initial compression amount of the elastic part 151 can be adjusted by screwing the second nut, so that the restoring force provided by the elastic part 151 to the positioning part 121 can be matched with the inertia generated when the workpiece transport frame 300 moves, the inertia of the workpiece transport frame 300 can be offset accurately by the positioning device 100, the situation of rebounding after the workpiece transport frame 300 is contacted with the positioning device 100 is avoided, or the workpiece transport frame 300 continues to move forwards under the action of inertia and is separated from the positioning device 100, and the workpiece transport frame 300 is positioned accurately.

In the above embodiment, referring to fig. 4, the pressing member 122 is provided with a strip-shaped hole 1221 for the guide rod 153 to pass through, specifically, the strip-shaped hole 1221 is provided on the pressing portion 1223 of the pressing member 122, and the strip-shaped hole 1221 extends from the mounting frame 110 toward the positioning member 121. By forming the strip-shaped hole 1221 on the pressing portion 1223 and making the guide rod 153 pass through the strip-shaped hole 1221, it can be ensured that the positioning assembly 120 can move along the extending direction of the guide rod 153, and the moving stability of the positioning assembly 120 is improved, and by making the strip-shaped hole 1221 extend from the mounting frame 110 towards the positioning member 121, sufficient space can be provided for the positioning assembly 120 so that the positioning assembly 120 can effectively move towards the direction far away from or close to the mounting frame 110, and the working reliability of the positioning assembly 120 is improved.

Referring to fig. 1, a second aspect of the present application provides a processing apparatus, which includes a frame 200, a workpiece transporting frame 300 and a positioning device 100 according to any one or more of the above embodiments, wherein the workpiece transporting frame 300 is movably mounted on the frame 200, a mounting frame 110 of the positioning device 100 is connected to the frame 200, specifically, the mounting frame 110 and the frame 200 may be separately formed and then connected to each other, the mounting frame 110 and the frame 200 may also be integrally formed, that is, the mounting frame 110 is a part of the frame 200, and a positioning member 121 of the positioning device 100 contacts the workpiece transporting frame 300 to define a position of the workpiece transporting frame 300.

Because the processing equipment adopts the positioning device 100 of any one or more embodiments, the workpiece transport frame 300 can be accurately positioned, so that the workpiece transport frame 300 can be accurately stopped on a corresponding processing station, the processing precision of the workpiece is ensured, meanwhile, the workpiece is prevented from contacting with other parts of the processing equipment, the normal operation of the processing equipment is ensured, and the working reliability of the processing equipment is improved.

The above description is only a preferred embodiment of the present application and should not be taken as limiting the present application, and any modifications, equivalents, improvements, etc. made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims (10)

1. A positioning device, comprising:

a mounting frame;

the positioning assembly comprises a positioning piece arranged at an interval with the mounting rack, a clamping part is arranged on the positioning piece, and the clamping part is clamped with the part to be positioned so as to limit the position of the part to be positioned;

one end of the first swing arm is rotatably connected with the mounting frame, and the other end of the first swing arm is rotatably connected with one end of the positioning piece;

the second swing arm and the first swing arm are sequentially distributed along the movement direction of the part to be positioned, the second swing arm and the first swing arm are arranged in parallel, one end of the second swing arm is rotatably connected with the mounting frame, and the other end of the second swing arm is rotatably connected with the other end of the positioning piece;

and the elastic component comprises an elastic part, and the elastic part is used for providing restoring force opposite to the movement direction of the part to be positioned for the positioning part.

2. The positioning apparatus of claim 1, wherein: the clamping part is a first clamping groove, and the first clamping groove is used for clamping the part to be positioned so as to limit the position of the part to be positioned.

3. The positioning apparatus of claim 2, wherein: the setting element has the edge first end and the second end that the direction of motion of part to be positioned distributes in proper order, first swing arm with first end rotatable coupling, the second swing arm with second end rotatable coupling, first draw-in groove set up in first end with between the second end, first serving is equipped with first leading-in face, first leading-in face is in from first end court keep away from towards the direction of second end the direction slope of mounting bracket sets up.

4. The positioning device of claim 1, wherein: the clamping part is a clamping block which is used for being clamped with the part to be positioned so as to limit the position of the part to be positioned.

5. The positioning apparatus of claim 4, wherein: the fixture block is provided with a first side and a second side which are sequentially distributed along the movement direction of the part to be positioned, a second guide-in surface is arranged on the first side, and the second guide-in surface is obliquely arranged from the first side to the second side in a direction away from the mounting frame.

6. The positioning apparatus of any of claims 1-5, wherein: the positioning assembly further comprises a pressing part connected to the positioning part, the elastic assembly further comprises a support, the support is connected to the mounting frame, one end of the elastic part abuts against the support, and the other end of the elastic part abuts against the pressing part.

7. The positioning apparatus of claim 6, wherein: the elastic assembly further comprises a guide rod, the guide rod is installed on the support, the elastic piece is a spring, and the elastic piece is sleeved on the guide rod.

8. The positioning apparatus of claim 7, wherein:

the elastic component further comprises a first nut, a first thread part is arranged at one end, close to the pressing part, of the guide rod, the first nut is in threaded connection with the first thread part, and the first nut can abut against one side, away from the elastic part, of the pressing part after being in threaded connection with the first thread part; and/or the presence of a gas in the atmosphere,

the elastic component further comprises a second nut, a second thread portion is arranged at one end, close to the support, of the guide rod, the second nut is in threaded connection with the second thread portion, and the second nut can abut against one side, away from the elastic piece, of the support after being in threaded connection with the second thread portion.

9. The positioning apparatus of claim 7, wherein: offer on the pressure piece and be used for supplying the bar hole that the guide arm passed, the bar hole certainly the mounting bracket court the direction of setting element extends.

10. A processing apparatus, characterized by: the machining apparatus comprising a frame, a workpiece carrier movably mounted on the frame, and a positioning device as claimed in any one of claims 1 to 9, the mounting frame of the positioning device being connected to the frame, the positioning member of the positioning device being in contact with the workpiece carrier to define the position of the workpiece carrier.

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