Positioning clamp stable in clamping

Abstract

The utility model discloses a positioning clamp capable of clamping stably, which belongs to the technical field of laser cutting workpiece clamping and comprises a machining table device, a clamping device, a conveying device and a blocking device, the clamping device used for clamping plates from multiple directions is mounted on the machining table device, and the conveying device is mounted on the clamping device. The clamping device is provided with a conveying device used for conveying plates to be fed and discharged. The clamping device comprises a translation driving assembly used for transverse adjustment and matched clamping and a clamping assembly used for vertically fixing the plate, and the clamping assembly is located above the machining table device and connected with the machining table device and the translation driving assembly. By means of the mode, through the arrangement of the translation driving assembly and the clamping assembly, plates can be limited and clamped in multiple directions, the stability of the plates in the machining process is ensured, and the problem that the machining precision is not accurate due to movement of the plates is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to laser cutting workpiece clamping technical field, specifically related to a positioning fixture of clamping stability. BACKGROUND

[0002] Laser cutting is to use the high power density laser beam that is focused to irradiate workpiece, make the material that is irradiated melt, vaporize, ablate or reach the ignition point, simultaneously with the help of the high speed airflow that is coaxial with the beam to blow off the molten material, thereby realize cutting workpiece, in the cutting process, in order to avoid the material movement to cause cutting inaccurate, need to use positioning fixture to fix the material.

[0003] For example, Chinese patent application CN220050491U discloses a kind of object fixing fixture for laser cutting head, including article placing connecting plate, the top of article placing connecting plate is fixed with a plurality of support blocks, the both sides of article placing connecting plate are all connected with L-shaped connecting plate by two positioning bolts, two L-shaped connecting plates are fixedly connected with adjusting horizontal plate, the center of adjusting horizontal plate is provided with guide through slot, adjusting screw is connected in the inside of guide through slot.

[0004] However, when the object fixing fixture for laser cutting head is used, it is only limited from the left and right sides of the plate by the positioning partition plate and the blocking connecting plate, the placement slot of the positioning partition plate is fixed in height, when used for fixing some thin plates, it is difficult to limit the plate from the vertical direction, and the plate is not stable during cutting.

[0005] Therefore, the utility model designs a kind of positioning fixture of clamping stability to solve above-mentioned problem. UTILITY MODEL CONTENT

[0006] In view of the above-mentioned shortcomings of the prior art, the utility model provides a kind of positioning fixture of clamping stability.

[0007] To achieve the above purpose, the utility model is realized by the following technical solutions:

[0008] A kind of positioning fixture of clamping stability, including processing table device, still including clamping device, conveying device and blocking device;

[0009] The processing table device is installed with the clamping device for clamping plate from multiple directions, the clamping device is installed with the conveying device for conveying plate feeding and discharging;

[0010] The clamping device includes translation drive assembly for lateral adjustment and cooperation clamping and clamping assembly for vertical fixation of plate, and the clamping assembly is located above the processing table device and connected with the processing table device and translation drive assembly.

[0011] Further, the processing table device comprises a processing table, the inside of the processing table is hollow, a discharging port is arranged at one end of the processing table, the bottom of the processing table is arranged in an inclined manner, the inclination direction gradually decreases from the side far from the discharging port to the side close to the discharging port, and the upper end of the processing table is connected with the translation driving assembly and the clamping assembly.

[0012] Further, the translation driving assembly comprises a first motor, four side plates, a threaded rod, a sliding rod and two sliding blocks, the four side plates are fixedly installed on the left and right sides of the upper end of the processing table, the first motor is fixedly installed on the outside of one side plate, the threaded rod and the sliding rod are respectively arranged between the two left and right side plates, the left and right ends of the threaded rod are rotationally connected with the side plates, the left and right ends of the sliding rod are fixedly connected with the side plates, the output end of the first motor is fixedly connected with one end of the threaded rod, the two sliding blocks are respectively sleeved on the outside of the threaded rod and the sliding rod, one sliding block is threadedly connected with the threaded rod, the other sliding block is slidingly connected with the sliding rod, and the lower ends of the two sliding blocks are connected with the clamping assembly.

[0013] Further, the clamping assembly comprises a fixed clamping plate, a movable clamping plate, two groups of first air cylinders and a plurality of clamping plates, the fixed clamping plate and the movable clamping plate are left-right symmetrical L-shaped plates, the fixed clamping plate is fixedly installed on the left side of the upper end of the processing table, the movable clamping plate is slidably attached to the upper end of the processing table, the upper end of the movable clamping plate is fixedly connected with the two sliding blocks, the two groups of first air cylinders are respectively arranged on the upper ends of the fixed clamping plate and the movable clamping plate, each group of first air cylinders comprises a plurality of first air cylinders arranged in front and back, the first air cylinders are fixedly installed on the upper end of the fixed clamping plate or the movable clamping plate, the output end of the first air cylinder is fixedly connected with a clamping plate through the fixed clamping plate or the movable clamping plate, and the plurality of clamping plates are respectively arranged on the inner sides of the fixed clamping plate and the movable clamping plate and are slidably connected with the fixed clamping plate or the movable clamping plate.

[0014] Further, the clamping device further comprises a scale, the scale is a plate with scales, the scale is arranged at the front end of the fixed clamping plate and the movable clamping plate, and the scale is fixedly connected with the processing table and the side plates.

[0015] Further, the conveying device comprises two conveying assemblies and a driving synchronization assembly, the two conveying assemblies are respectively arranged on the inner sides of the fixed clamping plate and the movable clamping plate, and the driving synchronization assembly is installed at the rear end of the two conveying assemblies.

[0016] Further, the conveying assembly comprises a mounting plate, a support frame, four fixed plates and a synchronous wheel component, the synchronous wheel component is composed of two synchronous wheels and a belt, the inner side of the mounting plate is fixedly connected with the support frame, the support frame is a tubular frame with an opening at the lower end, the support frame is arranged between the upper and lower ends of the belt of the synchronous wheel component, the upper end surface of the support frame is close to the upper end of the belt of the synchronous wheel component, the four fixed plates are respectively fixed on the left and right sides of the front and rear ends of the support frame, the inner sides of the fixed plates are rotationally connected with the two synchronous wheels of the synchronous wheel component, the outer side of the mounting plate is fixedly connected with the fixed clamping plate or the movable clamping plate, and the mounting plate and the synchronous wheel component are connected with the driving synchronization assembly.

[0017] Further, the belt of the synchronous wheel component is made of high-temperature-resistant and wear-resistant polyvinyl chloride material.

[0018] Further, the driving synchronous assembly comprises a second motor, a spline shaft and a spline sleeve, the second motor is fixedly installed outside one mounting plate on the rear outer side, the output end of the second motor is fixedly connected with one synchronous wheel of the synchronous wheel component, one end of the spline shaft is fixedly connected with the rear synchronous wheel of the synchronous wheel component of the left conveying assembly, the other end of the spline shaft passes through the spline sleeve and is limitingly and slidably connected with the spline sleeve, and the spline sleeve is fixedly installed inside the rear synchronous wheel of the synchronous wheel component of the right conveying assembly and is arranged in a concentric mode.

[0019] Further, the rear ends of the two rear side plates are further provided with blocking devices, the blocking devices comprise two second air cylinders, two sliding seats and a baffle, the two second air cylinders are fixedly installed at the rear ends of the two rear side plates, the output ends of the two second air cylinders are respectively fixedly connected with the two sliding seats vertically upwards, the sliding seats are limitingly and slidably connected with the side plates, and the baffle is fixedly installed inside the two sliding seats.

[0020] Compared with the prior art, the utility model has the advantages that: 1. By the setting of the translation driving assembly and the clamping assembly, the plate can be clamped from multiple directions, ensuring the stability of the plate during processing and avoiding the problem of inaccurate processing precision caused by plate movement;

[0021] 2. By the setting of the movable clamping plate and the pressing of the clamping plate, plates of various sizes and thicknesses can be adapted, and the range of use is wide;

[0022] 3. By the setting of the spline shaft and the spline sleeve, the two synchronous wheel components can run synchronously without being disconnected due to the movement of the right synchronous wheel component, energy is saved, the synchronization effect is good, the setting of the supporting frame avoids shaking of the plate caused by fixing on a relatively soft belt, the setting of the baffle limits the front-back direction of the plate, further improving the stability and positioning precision, and the high-temperature-resistant and wear-resistant belt of the synchronous wheel component avoids damage of the belt caused by heat generated during laser cutting being conducted to the belt through the plate. BRIEF DESCRIPTION OF DRAWINGS

[0023] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or the prior art description. Obviously, the drawings in the following description are only some embodiments of the utility model, and those skilled in the art can also obtain other drawings according to these drawings without creating any creative labor.

[0024] Figure 1The utility model discloses a three-dimensional view of the positioning clamp of clamping stability Figure 1 ;

[0025] Figure 2 The utility model discloses a front view of the positioning clamp of clamping stability

[0026] Figure 3 The utility model discloses a left view of the positioning clamp of clamping stability

[0027] Figure 4 The utility model discloses a three-dimensional view of the positioning clamp of clamping stability Figure 2 ;

[0028] Figure 5 The utility model discloses a three-dimensional view of the positioning clamp of clamping stability

[0029] Figure 6 The utility model discloses a three-dimensional view of the positioning clamp of clamping stability Figure 3 ;

[0030] Figure 7 The utility model discloses a three-dimensional view of the positioning clamp of clamping stability Figure 6 ;

[0031] Figure 8 The utility model discloses a three-dimensional view of the positioning clamp of clamping stability Figure 6 ;

[0032] Figure 9 The utility model discloses a three-dimensional view of the positioning clamp of clamping stability

[0033] The utility model discloses a three-dimensional view of the positioning clamp of clamping stability

[0034] 1. Processing table device;11. Processing table;12. Discharge port;2. Clamping device;21. Translation drive assembly;211. First motor;212. Side plate;213. Threaded rod;214. Slide bar;215. Slide block;22. Clamping assembly;221. Fixed clamp plate;222. Mobile clamp plate;223. First air cylinder;224. Clamp plate;23. Scale;3. Conveying device;31. Conveying assembly;311. Mounting plate;312. Support frame;313. Fixed plate;314. Synchronous wheel component;32. Drive synchronous assembly;321. Second motor;322. Spline shaft;323. Spline sleeve;4. Blocking device;41. Second air cylinder;42. Sliding seat;43. Baffle. Specific implementation

[0035] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be clearly and completely described below in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0036] In the following description, "left", "right", "front", "rear", "upper", "lower" are oriented with the perspective of the front view.

[0037] Embodiment one: in some embodiments, referring to the drawings of the specification Figures 1-9 A clamping stable positioning fixture, comprising a machining table device, further comprising a clamping device and a conveying device;

[0038] The clamping device is installed on the machining table device, and the clamping device is used for clamping the plate from multiple directions, and the conveying device is installed on the clamping device, and the conveying device is used for conveying the plate feeding and discharging;

[0039] The clamping device 2 comprises a translation driving assembly 21 for lateral adjustment and cooperation clamping and a clamping assembly 22 for vertical fixing of the plate, and the clamping assembly 22 is located above the machining table device 1 and connected with the machining table device 1 and the translation driving assembly 21.

[0040] When the clamping stable positioning fixture is normally used, the plate is placed on the conveying device 3 and conveyed to the specified position, the translation driving assembly 21 is started, the translation driving assembly 21 drives the clamping assembly 22 to run and clamps the plate laterally, the clamping assembly 22 is started to cooperate with the conveying device 3 and clamps the plate vertically, a laser cutting head is used to process the plate, and the waste generated in the processing falls into the inside of the machining table device 1. Through the arrangement of the translation driving assembly 21 and the clamping assembly 22, the plate can be clamped and limited from multiple directions, the stability of the plate in the processing process is ensured, and the problem that the processing accuracy is inaccurate due to the movement of the plate is avoided.

[0041] Embodiment two: in some embodiments, as Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5As shown, as a preferred embodiment of the utility model, the processing table device 1 includes processing table 11, the inside of processing table 11 is hollowly arranged, processing table 11 one end is provided with discharge gate 12, the inside bottom of processing table 11 is obliquely arranged, and the oblique direction gradually declines from the side away from discharge gate 12 to the side close to discharge gate 12, and the upper end of processing table 11 is connected with translation drive assembly 21 and clamping assembly 22.

[0042] The translation drive assembly 21 includes a first motor 211, four side plates 212, a threaded rod 213, a sliding rod 214 and two sliding blocks 215, the four side plates 212 are fixedly installed on the left and right sides of the upper end of the processing table 11, the first motor 211 is fixedly installed on the outside of one side plate 212, the threaded rod 213 and the sliding rod 214 are respectively located between the two left and right side plates 212, the left and right ends of the threaded rod 213 are rotationally connected with the side plates 212, the left and right ends of the sliding rod 214 are fixedly connected with the side plates 212, the output end of the first motor 211 is fixedly connected with one end of the threaded rod 213, the two sliding blocks 215 are respectively sleeved on the outside of the threaded rod 213 and the sliding rod 214, one sliding block 215 is threadedly connected with the threaded rod 213, and the other sliding block 215 is slidingly connected with the sliding rod 214, and the lower ends of the two sliding blocks 215 are connected with the clamping assembly 22.

[0043] The clamping assembly 22 includes a fixed clamping plate 221, a movable clamping plate 222, two groups of first air cylinders 223 and a plurality of clamping plates 224, the fixed clamping plate 221 and the movable clamping plate 222 are left-right symmetrical L-shaped plates, the fixed clamping plate 221 is fixedly installed on the left side of the upper end of the processing table 11, the movable clamping plate 222 is slidably attached to the upper end of the processing table 11, the upper end of the movable clamping plate 222 is fixedly connected with the two sliding blocks 215, the two groups of first air cylinders 223 are respectively located on the upper ends of the fixed clamping plate 221 and the movable clamping plate 222, each group of first air cylinders 223 includes a plurality of first air cylinders 223 arranged in front and back, the first air cylinders 223 are respectively fixedly installed on the upper end of the fixed clamping plate 221 or the movable clamping plate 222, the output end of the first air cylinder 223 penetrates through the fixed clamping plate 221 or the movable clamping plate 222 and is fixedly connected with a clamping plate 224, and the plurality of clamping plates 224 are respectively located on the inner sides of the fixed clamping plate 221 and the movable clamping plate 222 and are slidingly connected with the fixed clamping plate 221 or the movable clamping plate 222.

[0044] The clamping device 2 further includes a scale 23, the scale 23 is a plate with scales, the scale 23 is located at the front end of the fixed clamping plate 221 and the movable clamping plate 222, and the scale 23 is fixedly connected with the processing table 11 and the side plates 212.

[0045] The positioning clamp with clamping stability is normally used, the first motor 211 is started, the first motor 211 drives the threaded rod 213 to rotate, the threaded rod 213 drives a sliding block 215 to move, the sliding block 215 drives the movable clamping plate 222 to move along the sliding rod 214, the specific adjustment between the fixed clamping plate 221 and the movable clamping plate 222 is slightly greater than the width of the plate, the plate is placed on the conveying device 3, the conveying device 3 is started to convey the plate to the appropriate position, the first motor 211 is started to drive the movable clamping plate 222 to move towards the fixed clamping plate 221, the movable clamping plate 222 pushes the plate to abut against the fixed clamping plate 221 to complete the horizontal limiting, the first air cylinder 223 is started, the first air cylinder 223 drives the clamping plate 224 to move downwards, the clamping plate 224 contacts the plate to limit the plate on the upper end of the conveying device 3, the scale 23 facilitates observation of the distance between the fixed clamping plate 221 and the movable clamping plate 222, the waste generated by laser cutting falls into the inner side of the machining table 11 and slides along the bottom of the machining table 11 and falls from the discharge port 12 to be collected, through the movement setting of the movable clamping plate 222 and the downward setting of the clamping plate 224, plates of various sizes and thicknesses can be adapted, and the use range is wide.

[0046] In some embodiments, as shown in Figures 1-9 The conveying device 3 comprises two conveying assemblies 31 and a driving synchronization assembly 32, the two conveying assemblies 31 are located on the inner sides of the fixed clamping plate 221 and the movable clamping plate 222 respectively, and the driving synchronization assembly 32 is installed at the rear end of the two conveying assemblies 31.

[0047] The conveying assembly 31 comprises an installation plate 311, a support frame 312, four fixed plates 313 and a synchronous wheel component 314, the synchronous wheel component 314 is composed of two synchronous wheels and a belt, the installation plate 311 is fixedly connected with the support frame 312 on the inner side, the support frame 312 is a tubular frame with an open lower end, the support frame 312 is located between the upper and lower ends of the belt of the synchronous wheel component 314, the upper end face of the support frame 312 is close to the upper end of the belt of the synchronous wheel component 314, the four fixed plates 313 are fixed on the front and rear ends and the left and right sides of the support frame 312 respectively, the inner sides of the fixed plates 313 are rotatably connected with the two synchronous wheels of the synchronous wheel component 314 respectively, the outer side of the installation plate 311 is fixedly connected with the fixed clamping plate 221 or the movable clamping plate 222, and the installation plate 311 and the synchronous wheel component 314 are connected with the driving synchronization assembly 32.

[0048] The belt of the synchronous wheel component 314 is made of polyvinyl chloride material with high temperature resistance and wear resistance.

[0049] The driving synchronization assembly 32 comprises a second motor 321, a spline shaft 322 and a spline sleeve 323, the second motor 321 is fixedly installed outside one of the mounting plates 311 at the rear outer side, the output end of the second motor 321 is fixedly connected with one of the synchronization wheel components 314, one end of the spline shaft 322 is fixedly connected with the rear synchronization wheel of the synchronization wheel component 314 of the left conveying assembly 31, the other end of the spline shaft 322 passes through the spline sleeve 323 and is limitingly and slidably connected with the spline sleeve 323, and the spline sleeve 323 is fixedly installed inside the rear synchronization wheel of the synchronization wheel component 314 of the right conveying assembly 31 and is concentrically arranged.

[0050] The rear ends of the two rear side plates 212 are further provided with blocking devices 4, the blocking devices 4 comprise two second air cylinders 41, two sliding seats 42 and a baffle plate 43, the two second air cylinders 41 are fixedly installed at the rear ends of the two rear side plates 212, the output ends of the two second air cylinders 41 are respectively fixedly connected with the two sliding seats 42 vertically upward, the sliding seats 42 are limitingly and slidably connected with the side plates 212, and the baffle plate 43 is fixedly installed inside the two sliding seats 42.

[0051] When the clamping stable positioning clamp is normally used, the plate is placed above the belts of the two synchronization wheel components 314, the second motor 321 is started, the second motor 321 drives the rotation of one of the synchronization wheel components 314, one of the synchronization wheel components 314 drives the synchronous rotation of the other synchronization wheel through the belt and the spline shaft 322, the two synchronization wheel components 314 drive the plate to be conveyed rearward, the second air cylinder 41 is started, the second air cylinder 41 drives the sliding seat 42 to move downward along the side plate 212, the sliding seat 42 drives the baffle plate 43 to move, the plate stops moving after contacting the baffle plate 43, the first motor 211 is started to drive the moving clamping plate 222 to move, the moving clamping plate 222 drives the right synchronization wheel component 314 to move, the rear synchronization wheel of the right synchronization wheel component 314 drives the spline sleeve 323 to slide along the spline shaft 322, the moving clamping plate 222 clamps the plate in the transverse direction, the first air cylinder 223 is started, the first air cylinder 223 drives the clamping plate 224 to move downward, the clamping plate 224 drives the plate to press the belt of the synchronization wheel component 314, the belt of the synchronization wheel component 314 is in abutting connection with the support frame 312 to complete the vertical clamping of the plate, the spline shaft 322 and the spline sleeve 323 are arranged to enable the two synchronization wheel components 314 to synchronously operate without being disconnected from the driving connection due to the movement of the right synchronization wheel component 314, thereby saving energy and achieving good synchronization effect, the support frame 312 is arranged to avoid the plate from shaking due to being fixed on the relatively soft belt, the baffle plate 43 is arranged to enable the front-rear direction of the plate to be limited, thereby further improving the stability and positioning accuracy, and the belt of the synchronization wheel component 314 is arranged to be high-temperature-resistant and wear-resistant to avoid the heat generated in the laser cutting process from being conducted to the belt through the plate, thereby avoiding the damage of the belt.

[0052] The above examples are only used to illustrate the technical solutions of the present application, and are not intended to limit them; although the present application has been described in detail with reference to the foregoing examples, those skilled in the art should understand that the technical solutions recorded in the foregoing examples can still be modified, or some technical features therein can be replaced by equivalents; and these modifications or replacements will not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. A stable clamping positioning fixture, comprising a processing table device (1), characterized in that: It also includes a clamping device (2) and a conveying device (3). The clamping device (2) is installed on the processing table device (1) and is used to clamp the plate from multiple directions. The conveying device (3) is installed on the clamping device (2) and is used to convey the plate for loading and unloading. The clamping device (2) includes a translation drive assembly (21) for lateral adjustment and clamping, and a clamping assembly (22) for vertically fixing the plate. The clamping assembly (22) is located above the processing table device (1) and connected to the processing table device (1) and the translation drive assembly (21).

2. The stable clamping and positioning fixture according to claim 1, characterized in that, The processing table device (1) includes a processing table (11), which is hollow inside. A discharge port (12) is opened at one end of the processing table (11). The bottom of the processing table (11) is inclined, and the inclination direction gradually decreases from the side away from the discharge port (12) to the side close to the discharge port (12). The upper end of the processing table (11) is connected to the translation drive assembly (21) and the clamping assembly (22).

3. The stable clamping and positioning fixture according to claim 2, characterized in that, The translation drive assembly (21) includes a first motor (211), four side plates (212), a threaded rod (213), a slide rod (214), and a slider (215). The four side plates (212) are fixedly installed on the left and right sides of the upper end of the processing table (11). The first motor (211) is fixedly installed on the outside of one side plate (212). The threaded rod (213) and the slide rod (214) are respectively located between two side plates (212) arranged on the left and right. The left and right ends of the threaded rod (213) are connected to the side plates (212). 212) Rotary connection, the left and right ends of the slide rod (214) are fixedly connected to the side plate (212), the output end of the first motor (211) is fixedly connected to one end of the threaded rod (213), the two sliders (215) are respectively sleeved on the outside of the threaded rod (213) and the slide rod (214), one slider (215) is threadedly connected to the threaded rod (213), and the other slider (215) is slidably connected to the slide rod (214). The lower ends of the two sliders (215) are connected to the clamping assembly (22).

4. The stable clamping and positioning fixture according to claim 3, characterized in that, The clamping assembly (22) includes a fixed clamping plate (221), a movable clamping plate (222), two sets of first cylinders (223), and multiple clamping plates (224). The fixed clamping plate (221) and the movable clamping plate (222) are L-shaped plates that are symmetrical from left to right. The fixed clamping plate (221) is fixedly installed on the upper left side of the processing table (11). The movable clamping plate (222) slides against the upper end of the processing table (11). The upper end of the movable clamping plate (222) is fixedly connected to two sliders (215). The two sets of first cylinders (223) are located on the fixed clamping plate (221) and the movable clamping plate, respectively. (222) At the upper end, each group of first cylinders (223) includes multiple first cylinders (223) evenly arranged in front and behind. The first cylinders (223) are fixedly installed on the upper end of the fixed clamping plate (221) or the movable clamping plate (222). The output end of the first cylinder (223) passes through the fixed clamping plate (221) or the movable clamping plate (222) and is fixedly connected to a clamping plate (224). Multiple clamping plates (224) are located on the inner side of the fixed clamping plate (221) and the movable clamping plate (222) respectively and are slidably connected to the fixed clamping plate (221) or the movable clamping plate (222).

5. The stable clamping and positioning fixture according to claim 4, characterized in that, The clamping device (2) also includes a scale (23), which is a plate with graduations. The scale (23) is located at the front end of the fixed clamping plate (221) and the movable clamping plate (222). The scale (23) is fixedly connected to the processing table (11) and the side plate (212).

6. The stable clamping and positioning fixture according to claim 3, characterized in that, The conveying device (3) includes two conveying components (31) and a drive synchronization component (32). The two conveying components (31) are located inside the fixed clamping plate (221) and the movable clamping plate (222), respectively. The drive synchronization component (32) is installed at the rear end of the two conveying components (31).

7. The stable clamping and positioning fixture according to claim 6, characterized in that, The conveying assembly (31) includes a mounting plate (311), a support frame (312), four fixing plates (313), and a synchronous pulley assembly (314). The synchronous pulley assembly (314) consists of two synchronous pulleys and a belt. The inner side of the mounting plate (311) is fixedly connected to the support frame (312). The support frame (312) is a tubular frame with an open lower end. The support frame (312) is located between the upper and lower ends of the belt of the synchronous pulley assembly (314). The upper end face of the support frame (312) is close to the upper end of the belt of the synchronous pulley assembly (314). The four fixing plates (313) are respectively fixed to the front, rear, left, and right sides of the support frame (312). The inner side of the fixing plates (313) is rotatably connected to the two synchronous pulleys of the synchronous pulley assembly (314). The outer side of the mounting plate (311) is fixedly connected to the fixing clamp (221) or the moving clamp (222). The mounting plate (311) and the synchronous pulley assembly (314) are connected to the drive synchronization assembly (32).

8. The stable clamping and positioning fixture according to claim 7, characterized in that, The belt of the synchronous pulley component (314) is made of high-temperature resistant and wear-resistant polyvinyl chloride material.

9. The stable clamping and positioning fixture according to claim 7, characterized in that, The drive synchronization component (32) includes a second motor (321), a spline shaft (322), and a spline sleeve (323). The second motor (321) is fixedly installed on the outside of a mounting plate (311) on the rear outer side. The output end of the second motor (321) is fixedly connected to a synchronous wheel of the synchronous wheel component (314). One end of the spline shaft (322) is fixedly connected to the rear synchronous wheel of the synchronous wheel component (314) of the left conveying component (31). The other end of the spline shaft (322) passes through the spline sleeve (323) and is slidably connected to the spline sleeve (323). The spline sleeve (323) is fixedly installed on the inner side of the rear synchronous wheel of the synchronous wheel component (314) of the right conveying component (31) and is concentrically arranged.

10. The stable clamping and positioning fixture according to claim 3, characterized in that, The rear ends of the two side plates (212) are also equipped with blocking devices (4). The blocking devices (4) include two second cylinders (41), two sliding seats (42) and a baffle (43). The two second cylinders (41) are fixedly installed at the rear ends of the two side plates (212). The output ends of the two second cylinders (41) are vertically upward and fixedly connected to the two sliding seats (42) respectively. The sliding seats (42) are limited and slidably connected to the side plates (212). The baffle (43) is fixedly installed inside the two sliding seats (42).

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