Workpiece positioning fixture for zinc-aluminum coating production

Abstract

This utility model relates to the technical field of zinc-aluminum coated workpiece fixtures, and discloses a workpiece positioning fixture produced by zinc-aluminum coating. The fixture includes a main block, a cooling mechanism on the top front side of the main block, and a clamping mechanism on the rear side of the main block for clamping. The clamping mechanism is fixedly connected to the bottom of the main block. The cooling mechanism includes a starter, the bottom of which is fixedly connected to the top front side of the main block. Transmission blocks are fixedly connected to the left and right ends of the front side of the starter, and a limit block is fixedly connected to the bottom of the outer wall of the transmission block. In this utility model, the starter drives a fan to operate via the transmission blocks, a cooling component delivers coolant, and a heat absorption component absorbs internal heat, effectively reducing the internal temperature of the equipment, ensuring stable operation of the fixture at high temperatures, and improving positioning accuracy and service life.

Description

Technical Field

[0001] This utility model relates to the field of zinc-aluminum coated workpiece fixture technology, and in particular to a workpiece positioning fixture for zinc-aluminum coated production. Background Technology

[0002] The workpiece positioning fixture in zinc-aluminum coating production is a specialized device used to precisely fix the position of the workpiece during the zinc-aluminum coating coating and curing process. By contacting or cooperating with specific parts of the workpiece, it ensures that the workpiece maintains a preset posture and position during the spraying and baking process, providing a basic guarantee for uniform coating coverage and achieving the required thickness. It is a key auxiliary device in zinc-aluminum coating production to ensure product quality stability and production efficiency, and is widely used in the surface treatment process of metal parts in the automotive, machinery, and construction industries.

[0003] Early workpiece positioning fixtures for zinc-aluminum coating production consisted mostly of simple steel supports, fixing bolts, and flat clamping plates. These fixtures were crudely structured and had limited functionality. They relied solely on manual tightening of bolts to achieve rigid clamping of the workpiece, resulting in slow clamping speeds, poor adaptability, and an inability to handle workpieces of different sizes and shapes. Furthermore, improper clamping force control often led to workpiece deformation or coating damage. To address these issues, existing fixtures have gradually adopted modular designs. Adjustable positioning pins, pneumatic grippers, and slide rail structures enable rapid clamping and positioning of different workpieces, while also utilizing spring-loaded buffer components. While reducing the impact of excessive clamping force on the workpiece, existing fixtures still have significant shortcomings in adaptability to high-temperature environments. The zinc-aluminum coating curing stage requires a baking environment. Under continuous high temperatures, the metal frame and transmission components of existing fixtures will undergo thermal expansion, leading to displacement of positioning holes and decreased opening and closing accuracy of the grippers. The pneumatic piston rod and guide rail components used to drive the grippers will experience accelerated wear due to lubrication failure at high temperatures. Heat will be conducted through the metal to the core transmission parts, causing the positioning accuracy of the fixture to decrease significantly with the increase of usage time, making it difficult to meet the needs of long-term stable production. Utility Model Content

[0004] To overcome the above shortcomings, this utility model provides a workpiece positioning fixture produced by zinc-aluminum coating, which aims to improve the problem that in the prior art, the wear caused by lubricant failure at high temperatures will be aggravated, resulting in a significant decrease in the positioning accuracy of the fixture as the usage time increases, making it difficult to meet the needs of long-term stable production.

[0005] To achieve the above objectives, the present invention adopts the following technical solution: a workpiece positioning fixture produced by zinc-aluminum coating, comprising a main body block, a cooling mechanism provided on the front top of the main body block, a clamping mechanism provided on the rear side of the main body block, the clamping mechanism being used for clamping, and a clamping mechanism fixedly connected to the bottom of the main body block;

[0006] The cooling mechanism includes a starter, the bottom of which is fixedly connected to the top front side of the main body block. Transmission blocks are fixedly connected to the left and right ends of the front side of the starter. A limit block is fixedly connected to the bottom of the outer wall of the transmission block. A fan is connected to the bottom of the inner wall of the transmission block. A filter screen is slidably connected to the right side of the inner wall of the main body block. A heat absorption component is provided at the bottom of the starter, and a cooling component is provided on the outer wall of the limit block.

[0007] As a further description of the above technical solution:

[0008] The clamping mechanism includes two fixing blocks. The front ends of the two fixing blocks on adjacent sides are respectively fixedly connected to the left and right rear ends of the main body block. A scale is fixedly connected to the rear ends of the two fixing blocks on adjacent sides. Multiple locking blocks are fixedly connected to the top of the scale. Stabilizing block one is fixedly connected to the front and rear ends of the bottom of the scale. Stabilizing block two is slidably connected to the top of stabilizing block one. A telescopic rod is fixedly connected to the rear side of the inner wall of stabilizing block two. A handle is fixedly connected to the rear side of the telescopic rod. A pressure plate is fixedly connected to the front end of the telescopic rod. A rubber block is fixedly connected to the front side of the pressure plate.

[0009] As a further description of the above technical solution:

[0010] The cooling assembly includes two transmission pipes, with the opposite sides of the two transmission pipes fixedly connected to adjacent sides of the two limiting blocks. The top of each transmission pipe is connected to a storage box, and an observation window is fixedly connected to the front of the storage box. The top of the storage box is connected to a funnel.

[0011] As a further description of the above technical solution:

[0012] The heat absorption assembly includes a transmitter, the top of which is fixedly connected to the bottom of the starter, and a heating plate is fixedly connected to the bottom of the transmitter. The top of the heating plate has multiple heat absorption holes, and heat absorption blocks are fixedly connected to the inner walls of each heat absorption hole.

[0013] As a further description of the above technical solution:

[0014] A chassis is fixedly connected to the bottom of the main body block, and a suction cup is fixedly connected to the bottom of the chassis.

[0015] As a further description of the above technical solution:

[0016] A protective plate is fixedly connected to the left side of the main block, and the outer wall of the protective plate has multiple heat dissipation holes.

[0017] As a further description of the above technical solution:

[0018] A toolbox is fixedly connected to the top rear side of the main body block, a latch is fixedly connected to the rear side of the toolbox, and a cover plate is fixedly connected to the top of the latch.

[0019] As a further description of the above technical solution:

[0020] A baffle is fixedly connected to the right side of the main block, and a baffle is fixedly connected to the top of the baffle.

[0021] This utility model has the following beneficial effects:

[0022] 1. In this utility model, the starter drives the fan to run through the transmission block, the limit block ensures the stability of the fan, the filter screen blocks impurities to prevent clogging, the cooling component delivers coolant, and works with the fan to transfer the cooling energy into the equipment. The heat absorption component absorbs internal heat, effectively reducing the internal temperature of the equipment. This improves the problem of poor adaptability to high-temperature environments in the prior art, ensures that the fixture works stably at high temperatures, and improves the positioning accuracy and service life.

[0023] 2. In this utility model, the fixed block and the dial provide stable support. The second stable block can slide along the first stable block on the dial to adjust the spacing and adapt to workpieces of different sizes. The handle is cranked to drive the pressure plate to move via the telescopic rod. The rubber block makes flexible contact with the workpiece to avoid damage. This effectively improves the problem of the existing technology being unable to flexibly clamp different types of workpieces and enhances the versatility and clamping safety of the fixture. Attached Figure Description

[0024] Figure 1 This is a perspective view of the workpiece positioning fixture produced by the zinc-aluminum coating proposed in this utility model;

[0025] Figure 2 This is a front view of the workpiece positioning fixture produced by the zinc-aluminum coating proposed in this utility model;

[0026] Figure 3 This is a rear view of the workpiece positioning fixture produced by the zinc-aluminum coating proposed in this utility model.

[0027] Figure 4 This is an exploded view of the cooling mechanism of the workpiece positioning fixture produced by zinc-aluminum coating according to this utility model.

[0028] Figure 5 This is an exploded view of the cooling assembly of the workpiece positioning fixture produced by the zinc-aluminum coating proposed in this utility model.

[0029] Figure 6 This is an exploded view of the heat-absorbing component of the workpiece positioning fixture produced by the zinc-aluminum coating proposed in this utility model;

[0030] Figure 7This is an exploded view of the clamping mechanism of the workpiece positioning fixture produced by the zinc-aluminum coating proposed in this utility model.

[0031] Legend:

[0032] 1. Main body block; 2. Cooling mechanism; 201. Starter; 202. Transmission block; 203. Filter screen; 204. Limiting block; 205. Fan; 206. Cooling assembly; 2061. Storage tank; 2062. Funnel; 2063. Observation window; 2064. Transmission pipe; 207. Heat absorption assembly; 2071. Transmitter; 2072. Heating plate; 2073. Heat absorption hole; 207 4. Heat-absorbing block; 3. Clamping mechanism; 301. Fixing block; 302. Dial; 303. Locking block; 304. Stabilizing block one; 305. Stabilizing block two; 306. Telescopic rod; 307. Handle; 308. Pressure plate; 309. Rubber block; 4. Chassis; 5. Suction cup; 6. Protective plate; 7. Heat dissipation hole; 8. Toolbox; 9. Cover plate; 10. Lock; 11. Baffle one; 12. Baffle two. Detailed Implementation

[0033] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0034] Reference Figure 1 and Figure 4 This utility model provides an embodiment of a workpiece positioning fixture produced by zinc-aluminum coating, comprising a main body block 1, which serves as the basic support structure for the entire fixture, used to support and connect other functional components; a cooling mechanism 2 is provided on the top front side of the main body block 1, which is used to reduce the working temperature of the fixture in high-temperature environments, ensuring the stability and accuracy of the fixture; a clamping mechanism 3 is provided on the rear side of the main body block 1, which is used to reliably clamp the workpiece, ensuring that the position of the workpiece is fixed during processing; the clamping mechanism 3 is fixedly connected to the bottom of the main body block 1, further enhancing the connection strength and stability between the clamping mechanism 3 and the main body block 1;

[0035] The cooling mechanism 2 includes a starter 201, the bottom of which is fixedly connected to the top front side of the main body block 1. The starter 201 serves as a power source for triggering and controlling the operation of the cooling mechanism 2. Transmission blocks 202 are fixedly connected to the left and right ends of the front side of the starter 201. The transmission blocks 202 transmit the power from the starter 201 to the fan 205, achieving effective power transmission. A limit block 204 is fixedly connected to the bottom of the outer wall of the transmission block 202. The limit block 204 fixes the position of the fan 205, preventing the fan 205 from shifting or falling off during operation. The bottom of the inner wall of the transmission block 202 is connected to the fan. 205, fan 205 is used to generate airflow and accelerate air flow to achieve air cooling inside the fixture; filter screen 203 is slidably connected to the right side of the inner wall of the main body block 1. Filter screen 203 is used to filter impurities in the air entering the cooling mechanism 2 to prevent impurities from damaging fan 205 and other components; heat absorption component 207 is provided at the bottom of starter 201. Heat absorption component 207 is used to absorb heat inside the fixture and reduce the temperature of the fixture; cooling component 206 is provided on the outer wall of limit block 204. Cooling component 206 is used to assist in cooling. The heat is removed by the circulation of coolant to further improve the cooling effect.

[0036] Specifically, in the workpiece positioning fixture produced by zinc-aluminum coating, the main body block 1 serves as the basic support structure, supporting the cooling mechanism 2 and the clamping mechanism 3 and connecting them to form a whole, ensuring the stability of the fixture structure. The starter 201 of the cooling mechanism 2 is fixed to the top front side of the main body block 1. After starting, it transmits power to the fan 205 through the transmission block 202, so that the fan 205 operates stably under the fixation of the limit block 204 to generate airflow, accelerating the airflow inside the fixture to achieve air cooling. At the same time, the filter screen 203 on the right side of the inner wall of the main body block 1 filters impurities in the air to prevent impurities from damaging the fan 205 and other components. The components include a heat-absorbing component 207 at the bottom of the starter 201 that absorbs heat from inside the fixture, and a cooling component 206 on the outer wall of the limit block 204 that helps to remove heat through the circulation of coolant, together reducing the temperature of the fixture and ensuring stability and accuracy. The clamping mechanism 3 is located on the rear side of the main body block 1 and is fixedly connected to the bottom of the main body block 1, enhancing the connection strength and stability. Through related structures, it achieves flexible clamping of different types of workpieces, ensuring that the workpiece is fixed in position during processing. Together with the cooling mechanism 2, it ensures that the workpiece positioning fixture for zinc-aluminum coating production works stably and accurately positions the workpiece in a high-temperature environment.

[0037] Reference Figure 1 , Figure 3 and Figure 7The clamping mechanism 3 includes two fixing blocks 301, which are used to securely connect the clamping mechanism 3 to the main body block 1 and provide structural support. The front ends of adjacent sides of the two fixing blocks 301 are respectively fixedly connected to the left and right rear ends of the main body block 1. The rear ends of adjacent sides of the two fixing blocks 301 are fixedly connected to a dial 302, which provides a reference and guide for the sliding of the second stabilizing block 305, facilitating precise position adjustment. The top of the dial 302 is fixedly connected to multiple locking blocks 303, which limit and fix the position of the second stabilizing block 305 to prevent it from sliding during operation. The bottom front and rear ends of the dial 302 are fixedly connected to a first stabilizing block 304, which supports the second stabilizing block 305 and provides a track for its sliding. A stabilizing block 305 is slidably connected to the top of component 4. The stabilizing block 305 can drive the telescopic rod 306 to move, thereby adjusting the clamping position. The telescopic rod 306 is fixedly connected to the rear side of the inner wall of the stabilizing block 305. The telescopic rod 306 is used to transmit the driving force of the handle 307 and drive the pressure plate 308 to move. The handle 307 is fixedly connected to the rear side of the telescopic rod 306. The handle 307 makes it convenient for the operator to apply external force and control the extension and retraction of the telescopic rod 306. The pressure plate 308 is fixedly connected to the front end of the telescopic rod 306. The pressure plate 308 is used to transmit the force of the telescopic rod 306 to the rubber block 309, pushing the rubber block 309 to contact the workpiece. The rubber block 309 is fixedly connected to the front side of the pressure plate 308. The rubber block 309 is elastic and can play a buffering role when clamping the workpiece to avoid damaging the workpiece surface and achieve flexible clamping.

[0038] Specifically, in the clamping mechanism 3, the front ends of two adjacent fixed blocks 301 are fixed to the left and right rear ends of the main body block 1, and the rear ends of their adjacent sides are fixed to a dial 302, providing a mounting base for the dial 302 and connecting the clamping mechanism 3 to the main body block 1; multiple locking blocks 303 are fixed to the top of the dial 302 to limit the second stabilizing block 305, and the front and rear ends of its bottom are fixed to the first stabilizing block 304 to provide support for the first stabilizing block 304; the top of the first stabilizing block 304 is slidably connected to the second stabilizing block 305, allowing the second stabilizing block 305 to slide and adjust its position; a telescopic rod 306 is fixed to the rear side of the inner wall of the second stabilizing block 305, driving the telescopic rod 306 to move synchronously. The telescopic rod 306 is fixed with a handle 307 at its rear, which controls the extension and retraction of the telescopic rod 306. A pressure plate 308 is fixed at its front end, which transmits the extension and retraction force to the pressure plate 308. A rubber block 309 is fixed at the front of the pressure plate 308, which pushes the rubber block 309 to contact the workpiece. Multiple components work together to make the second stabilizing block 305 slide along the first stabilizing block 304 on the dial 302 and be fixed by the locking block 303 to adjust the clamping distance. At the same time, the handle 307 drives the telescopic rod 306 to move the pressure plate 308 and the rubber block 309. The elasticity of the rubber block 309 is used to achieve flexible clamping of different types of workpieces, ensuring that the workpiece position is fixed.

[0039] Reference Figure 1 , Figure 2 and Figure 3 A base plate 4 is fixedly connected to the bottom of the main body block 1. The base plate 4 increases the contact area between the clamp and the placement surface, improving the overall placement stability of the clamp. A suction cup 5 is fixedly connected to the bottom of the base plate 4. The suction cup 5 further enhances the connection between the clamp and the placement surface through adsorption, preventing displacement of the clamp during operation. A protective plate 6 is fixedly connected to the left side of the main body block 1. The protective plate 6 protects the components on the left side of the main body block 1 from damage caused by external collisions. Multiple heat dissipation holes 7 are provided on the outer wall of the protective plate 6 to promote air circulation between the inside and outside of the main body block 1 and accelerate heat dissipation. A toolbox 8 is fixedly connected to the rear top of the main body block 1 for storage. The toolbox 8 contains tools and accessories needed for maintenance and use of clamps for easy access. A latch 10 is fixedly connected to the rear side of the toolbox 8. The latch 10 is used to lock the cover plate 9 to the toolbox 8 to prevent items inside the toolbox 8 from falling out. The top of the latch 10 is fixedly connected to the cover plate 9, which is used to cover the opening of the toolbox 8 to prevent dust and protect the items inside. A baffle 11 is fixedly connected to the right side of the main body block 1. The baffle 11 is used to provide lateral protection to the structure on the right side of the main body block 1. A baffle 2 12 is fixedly connected to the top of the baffle 11. The baffle 2 12 is used to extend the protection range of the baffle 11 in the vertical direction to enhance the protection effect.

[0040] Specifically, the bottom of the main body block 1 is fixedly connected to the chassis 4. The chassis 4 increases the contact area between the clamp and the placement surface, improving placement stability. The bottom of the chassis 4 is fixedly connected to the suction cup 5. The suction cup 5 enhances the connection between the clamp and the placement surface through adsorption, preventing displacement. The left side of the main body block 1 is fixedly connected to the protective plate 6. The protective plate 6 protects the left side components of the main body block 1 from external collision damage. The outer wall of the protective plate 6 has multiple heat dissipation holes 7. The multiple heat dissipation holes 7 promote air circulation between the inside and outside of the main body block 1, accelerating heat dissipation. The top rear side of the main body block 1 is fixedly connected to the toolbox 8, which stores and maintains the clamp. For easy access to necessary tools and accessories, a latch 10 is fixedly connected to the rear of the toolbox 8. The latch 10 locks the cover plate 9 to the toolbox 8 to prevent internal items from falling out. The top of the latch 10 is fixedly connected to the cover plate 9, which covers the opening of the toolbox 8 to prevent dust and protect the internal items. A baffle 11 is fixedly connected to the right side of the main body block 1, which provides lateral protection to the right side structure of the main body block 1. A baffle 2 12 is fixedly connected to the top of the baffle 11, which extends the protection range of the baffle 11 in the vertical direction to enhance the protection effect. These components are connected to the main body block 1.

[0041] Reference Figure 5 and Figure 6The cooling assembly 206 includes two transmission pipes 2064 for transporting coolant and transferring heat. The opposite sides of the two transmission pipes 2064 are fixedly connected to adjacent sides of two limiting blocks 204. A storage tank 2061 is connected to the top of each transmission pipe 2064. The storage tank 2061 stores coolant, providing a continuous coolant supply for the cooling process. An observation window 2063 is fixedly connected to the front of the storage tank 2061, allowing operators to easily observe the remaining coolant level and replenish it promptly. A funnel 2062 is connected to the top of the storage tank 2061, facilitating the addition of coolant and preventing spillage. The heat absorption assembly 207 includes a transmitter 2071, which transmits the power or signal from the starter 201 to the heat receiving plate 2072. The top end of the transmitter 2071 is fixedly connected to the bottom of the starter 201, and the bottom end of the transmitter 2071 is fixedly connected to the heat receiving plate 2072. The heat receiving plate 2072 is used to receive and transfer heat, serving as a carrier for heat absorption. The top of the heat receiving plate 2072 has multiple heat absorption holes 2073, which increase the contact area between the heat receiving plate 2072 and the air, thereby improving the heat absorption efficiency. The inner walls of the heat absorption holes 2073 are all fixedly connected to heat absorption blocks 2074, which further enhance the heat absorption capacity and quickly absorb heat from the surrounding environment.

[0042] Specifically, the two transmission pipes 2064 of the cooling assembly 206 are fixedly connected to adjacent sides of the two limiting blocks 204 on opposite sides, for transporting coolant from the storage tank 2061 to the limiting blocks 204. The top of the transmission pipes 2064 is connected to the storage tank 2061, which is used to store coolant. The observation window 2063 fixedly connected to its front side facilitates observation of the remaining coolant level, and the funnel 2062 connected to its top facilitates adding coolant and prevents spillage. The top of the transmitter 2071 of the heat absorption assembly 207 is fixedly connected to the bottom of the starter 201, for transmitting power from the starter 201 or... The signal is provided by a heat-absorbing plate 2072 fixedly connected to the bottom, which serves as a heat absorption carrier. Multiple heat-absorbing holes 2073 on the top of the heat-absorbing plate 2072 increase the contact area with air, and heat-absorbing blocks 2074 fixed to the inner wall of the heat-absorbing holes 2073 enhance the heat absorption capacity. The cooling component 206 works in conjunction with the heat-absorbing component 207 to add coolant to the storage tank 2061 through the funnel 2062, and then transport it to the limiting block 204 through the transmission pipe 2064 to assist in cooling. At the same time, the heat-absorbing plate 2072 absorbs heat through the heat-absorbing holes 2073 and the heat-absorbing blocks 2074, which together improve the cooling effect and ensure the stability of the fixture in a high-temperature environment.

[0043] Working principle: When the internal core components need to be cooled, the starter 201 triggers the overall cooling system to run. The starter 201 transmits power to the fan 205 through the transmission block 202. The external air drawn in by the fan 205 must first pass through the filter screen 203 to prevent it from entering the equipment and blocking the air duct or adhering to the surface of the high-temperature components. Coolant is injected into the storage tank 2061 through the funnel 2062. The operator can monitor the liquid level changes in real time through the observation window 2063 to avoid liquid interruption. The coolant is accurately delivered to the guide cavity inside the limit block 204 through the transmission pipe 2064. The starter 201 simultaneously activates the heating plate 2072. The heating plate 2072 quickly captures the radiant heat and convective heat inside the equipment through the heat absorption holes 2073 and conducts the heat to the heat absorption block 2074.

[0044] Furthermore, when flexible clamping of the workpiece is required, the handle 307 is cranked, and the driving force is transmitted to the pressure plate 308 through the telescopic rod 306, causing the pressure plate 308 to move towards the workpiece. The rubber block 309 on the outer wall of the pressure plate 308 first contacts the workpiece. The elastic deformation of the rubber can buffer the clamping force and avoid rigid contact damage to the workpiece surface, thus achieving flexible clamping. When dealing with special-sized workpieces, the fixing parts of the second stabilizing block 305 and the first stabilizing block 304 are loosened, allowing them to move horizontally along the guide rail of the dial 302. The distance between the two stabilizing blocks can be precisely controlled through the scale of the dial 302, adjusting the clamping range of the pressure plate 308 to adapt to workpieces of different sizes.

[0045] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A workpiece positioning fixture produced by zinc-aluminum coating, comprising a main body block (1), characterized in that: A cooling mechanism (2) is provided on the top front side of the main body block (1), and a clamping mechanism (3) is provided on the rear side of the main body block (1). The clamping mechanism (3) is used for clamping, and the clamping mechanism (3) is fixedly connected to the bottom of the main body block (1). The cooling mechanism (2) includes a starter (201), the bottom of which is fixedly connected to the top front side of the main body block (1). The left and right ends of the front side of the starter (201) are fixedly connected to a transmission block (202). The bottom of the outer wall of the transmission block (202) is fixedly connected to a limiting block (204). The bottom of the inner wall of the transmission block (202) is connected to a fan (205). The right side of the inner wall of the main body block (1) is slidably connected to a filter screen (203). The bottom of the starter (201) is provided with a heat absorption component (207). The outer wall of the limiting block (204) is provided with a cooling component (206).

2. The workpiece positioning fixture produced by zinc-aluminum coating according to claim 1, characterized in that: The clamping mechanism (3) includes two fixing blocks (301). The front ends of the two fixing blocks (301) on adjacent sides are respectively fixedly connected to the rear left and right ends of the main body block (1). The rear ends of the two fixing blocks (301) on adjacent sides are fixedly connected to a dial (302). The top of the dial (302) is fixedly connected to multiple locking blocks (303). The front and rear ends of the bottom of the dial (302) are fixedly connected to a first stabilizing block (304). The top of the first stabilizing block (304) is slidably connected to a second stabilizing block (305). The rear side of the inner wall of the second stabilizing block (305) is fixedly connected to a telescopic rod (306). The rear side of the telescopic rod (306) is fixedly connected to a handle (307). The front end of the telescopic rod (306) is fixedly connected to a pressure plate (308). The front side of the pressure plate (308) is fixedly connected to a rubber block (309).

3. The workpiece positioning fixture produced by zinc-aluminum coating according to claim 1, characterized in that: The cooling assembly (206) includes two transmission pipes (2064), with the opposite sides of the two transmission pipes (2064) fixedly connected to adjacent sides of the two limiting blocks (204). The top of each transmission pipe (2064) is connected to a storage tank (2061), and an observation window (2063) is fixedly connected to the front of the storage tank (2061). The top of the storage tank (2061) is connected to a funnel (2062).

4. The workpiece positioning fixture produced by zinc-aluminum coating according to claim 1, characterized in that: The heat absorption assembly (207) includes a transmitter (2071), the top of which is fixedly connected to the bottom of the starter (201), and a heat receiving plate (2072) is fixedly connected to the bottom of the transmitter (2071). The top of the heat receiving plate (2072) is provided with a plurality of heat absorption holes (2073), and heat absorption blocks (2074) are fixedly connected to the inner walls of each heat absorption hole (2073).

5. The workpiece positioning fixture produced by zinc-aluminum coating according to claim 1, characterized in that: The bottom of the main block (1) is fixedly connected to a chassis (4), and the bottom of the chassis (4) is fixedly connected to a suction cup (5).

6. The workpiece positioning fixture produced by zinc-aluminum coating according to claim 1, characterized in that: A protective plate (6) is fixedly connected to the left side of the main block (1), and a plurality of heat dissipation holes (7) are provided on the outer wall of the protective plate (6).

7. The workpiece positioning fixture produced by zinc-aluminum coating according to claim 1, characterized in that: A toolbox (8) is fixedly connected to the top rear side of the main block (1), a latch (10) is fixedly connected to the rear side of the toolbox (8), and a cover plate (9) is fixedly connected to the top of the latch (10).

8. The workpiece positioning fixture produced by zinc-aluminum coating according to claim 1, characterized in that: A baffle plate 1 (11) is fixedly connected to the right side of the main block (1), and a baffle plate 2 (12) is fixedly connected to the top of the baffle plate 1 (11).

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