CN222741932U - Lock bolt casting mold with high yield - Google Patents

Abstract

The utility model discloses a locking tongue casting mold with a high yield rate, comprising a bottom plate, a first supporting plate and a second supporting plate are arranged on the bottom plate, the first supporting plate and the second supporting plate are parallel to each other; a first fixing plate, a second fixing plate, a third fixing plate and a fourth fixing plate are arranged in sequence from top to bottom between the first supporting plate and the second supporting plate, a guide shaft is arranged between the first fixing plate and the fourth fixing plate, a fixed mold is arranged on the second fixing plate, the third fixing plate and the fourth fixing plate, a movable mold is arranged on the lower side of the first movable plate, the second movable plate and the third movable plate, the corresponding fixed mold and the movable mold are used in combination, a plurality of locking tongues are processed at the same time, a threaded rod is driven to rotate by a driving motor, and the movable molds on the first movable plate, the second movable plate and the third movable plate are driven to move by the action of the thread.

Description

Spring bolt casting mold with high yield

Technical Field

The utility model relates to the technical field of casting molds, in particular to a bolt casting mold with high yield.

Background

In the related art, the mold is a variety of molds and tools used for injection molding, blow molding, extrusion, die casting or forging, smelting, stamping and other methods in industrial production to obtain the required products, and the processing of the appearance of the article is realized mainly through the change of the physical state of the formed material.

In the process of implementing the embodiments of the present disclosure, it is found that at least the following problems exist in the related art:

the spring bolt for the freezer is made by the mould, can be equipped with lifting device for the movable mould, however lifting device among the prior art can only process single spring bolt, and needs artifical adjustment to the mould, and work efficiency is low and the yield is low.

Disclosure of utility model

The utility model aims to provide a bolt casting mold with high yield so as to solve the problems in the prior art.

The utility model provides a high-yield bolt casting mold, which comprises a bottom plate, wherein a first supporting plate and a second supporting plate are arranged on the bottom plate, the first supporting plate and the second supporting plate are parallel to each other, a first fixing plate, a second fixing plate, a third fixing plate and a fourth fixing plate are sequentially arranged between the first supporting plate and the second supporting plate from top to bottom, a guide shaft is arranged between the first fixing plate and the fourth fixing plate, and penetrates through the second fixing plate and the third fixing plate, a first linear bearing, a second linear bearing and a third linear bearing are arranged on the guide shaft in a sliding manner, the first linear bearing is arranged on the upper side of the second fixing plate, the second linear bearing is arranged on the upper side of the third fixing plate, the third linear bearing is arranged on the upper side of the fourth fixing plate, a first moving plate is arranged on the second linear bearing, a second moving plate is arranged on the second linear bearing, a third moving plate is arranged on the third linear bearing, and a third moving plate is arranged on the third fixing plate, and a third moving plate is arranged on the third moving plate;

The middle threads of the first movable plate, the second movable plate and the third movable plate penetrate through a threaded rod, and the upper end of the threaded rod extends through the first fixed plate and is connected with a driving device.

Preferably, a heightening adjusting plate is arranged at the lower end of the bottom plate.

Preferably, the first moving plate, the second moving plate and the third moving plate are all provided with auxiliary shaft sleeves in a penetrating manner, and auxiliary guide shafts are longitudinally arranged in the auxiliary shaft sleeves.

Preferably, the driving device comprises a bracket and a driving motor, the bracket is arranged on the upper side of the first fixing plate, the driving motor is arranged on the upper side of the bracket, and the driving end of the driving motor is connected with the threaded rod.

Preferably, a coupling is arranged between the driving end of the driving motor and the threaded rod.

Compared with the prior art, the fixed die is arranged on the second fixed plate, the third fixed plate and the fourth fixed plate, the movable dies are arranged on the lower sides of the first movable plate, the second movable plate and the third movable plate, the corresponding fixed dies and the movable dies are used in a matched mode, a plurality of lock tongues are machined simultaneously, the threaded rods are driven to rotate through the driving motor, the movable dies on the first movable plate, the second movable plate and the third movable plate are driven to move through the action of threads, meanwhile, the guide shafts have the positioning and guiding functions, manual adjustment of the dies is not needed, and the machining effect of the lock tongues is improved.

Drawings

FIG. 1 is a schematic front view of the present utility model;

fig. 2 is a schematic side view of the present utility model.

In the figure, 1, a bottom plate, 2, a first supporting plate, 3, a second supporting plate, 4, a first fixing plate, 5, a second fixing plate, 6, a third fixing plate, 7, a fourth fixing plate, 8, a guide shaft, 9, a first linear bearing, 10, a second linear bearing, 11, a third linear bearing, 12, a first moving plate, 13, a second moving plate, 14, a third moving plate, 15, a fixed die, 16, a moving die, 17, a threaded rod, 18, a driving device, 19, an auxiliary shaft sleeve, 20 and an auxiliary guide shaft.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-2, the present utility model provides a technical solution that a bolt casting mold with high yield includes a bottom plate 1, and when discussing this structural design in detail, we should first make sure that the bottom plate 1 plays a critical role as a basic component. Above this, two core support assemblies are provided, a first support plate 2 and a second support plate 3. The two support plates are not arranged at will, but are precisely designed and laid out to ensure structural stability and functionality.

Specifically, the first support plate 2 and the second support plate 3 are in a state parallel to each other on the bottom plate 1. The parallel layout ensures the symmetry of the structure and realizes even distribution of force in mechanics. When external force acts on the whole structure, the parallel layout can effectively disperse the force to the two supporting plates, thereby reducing the burden of a single supporting plate and improving the bearing capacity of the whole structure.

Let us go of the advantage of this parallel arrangement. First, the parallel layout can maximally utilize the space of the support plate, so that the whole structure is more compact and efficient. Second, the parallel layout also reduces stress concentration in the structure. In mechanics, stress concentration often results in local destruction of the structure, while parallel placement can effectively avoid this problem.

In addition, the materials and dimensions of the first support plate 2 and the second support plate 3 are also carefully selected. Typically, to ensure structural stability and strength, these support plates are made of high strength, high rigidity materials such as steel or alloys. In terms of size, reasonable design is required according to specific application scenes and load requirements.

In practical applications, such parallel layout support plate structures are widely used in various fields. For example, the device can be used as a support structure of a bridge, a high building and other buildings in the building field, can be used as a base or a support of a machine tool, a robot and other equipment in the mechanical field, and plays an indispensable role in the aerospace field.

In a word, be equipped with first backup pad 2 and the second backup pad 3 that are parallel to each other on bottom plate 1, this kind of structural design not only has high stability and bearing capacity, still possesses extensive application prospect. The device is an important achievement in the technical field of modern engineering, and provides firm and reliable support for us.

The first support plate 2 and the second support plate 3 are sequentially provided with a first fixing plate 4, a second fixing plate 5, a third fixing plate 6 and a fourth fixing plate 7 from top to bottom, a guide shaft 8 is arranged between the first fixing plate 4 and the fourth fixing plate 7, the guide shaft penetrates through the second fixing plate 5 and the third fixing plate 6, a first linear bearing 9, a second linear bearing 10 and a third linear bearing 11 are slidably arranged on the guide shaft 8, the first linear bearing is arranged on the upper side of the second fixing plate 5, the second linear bearing 10 is arranged on the upper side of the third fixing plate 6, the third linear bearing 11 is arranged on the upper side of the fourth fixing plate 7, a first moving plate 12 is arranged on the first linear bearing 9, a second moving plate 13 is arranged on the second linear bearing 10, and a third moving plate 14 is arranged on the third linear bearing 11, so that the die design and manufacturing occupy a critical position in modern industrial production. They are key factors for realizing mass production of products, ensuring product quality and reducing production cost. In this case, the stationary plate and the movable plate serve a critical function as core components of the mold system. We will now go deep into the design and application of the molds on the fixed and moving plates.

First, we look at the fixed plate portion. The second fixed plate 5, the third fixed plate 6 and the fourth fixed plate 7 are each provided with a high-precision stationary mold 15 as a stationary supporting member in the mold system. These fixed dies 15 are subjected to precision machining and strict detection, ensuring the accuracy and stability of the dies. In practical applications, they play an important role in supporting, positioning and fixing the mould.

For example, in the injection molding process, the precise design and manufacture of the stationary mold 15 has a decisive influence on the appearance quality, dimensional accuracy and molding efficiency of the product. By optimizing the structural design and material selection of the fixed die 15, the molding quality and production efficiency of the product can be significantly improved.

Next, we focus on the moving plate part. The first moving plate 12, the second moving plate 13 and the third moving plate 14 are responsible for opening and closing operations of the mold in the mold system. The lower sides of the two molds are respectively provided with a movable mold 16, and the movable mold 16 is tightly matched with the fixed mold 15 to jointly complete the molding process of the product.

The design and manufacture of the movable mold 16 also requires extremely high precision and stability. They need to have good wear resistance, high temperature resistance and corrosion resistance to accommodate the high temperature and high pressure production environment. In addition, the closing force and speed of the moving mold 16 are also key factors affecting the quality and efficiency of the product.

Modern mold systems typically employ advanced control systems and drive techniques in order to achieve efficient, stable operation of the mold. By precisely controlling the opening and closing speed and closing force of the moving plate, the precise matching of the movable mold 16 and the fixed mold 15 can be ensured, and defects or defective products of products can be avoided.

According to the statistical data, the production cost can be obviously reduced, and the production efficiency and the product quality can be improved by optimizing the design and the manufacture of the die. As a result, more and more businesses begin to place importance on the development and application of mold technology.

In summary, the design and manufacture of molds on stationary and moving plates is a central element of the mold system. By optimizing the design and manufacture of the die, the molding quality and the production efficiency of the product can be obviously improved, and the production cost is reduced.

The key mechanical structure provided in the present utility model involves three moving plates, a first moving plate 12, a second moving plate 13 and a third moving plate 14, and a vital threaded rod 17 and driving means 18.

First, let us have a clear understanding of the three moving plates. They are typically arranged in parallel, each carrying a different workload or tool for performing various precise operations. To ensure that the moving plates can move in a predetermined trajectory, we use a precise thread design. Specifically, the middle portions of the first moving plate 12, the second moving plate 13 and the third moving plate 14 are provided with a threaded hole therethrough, which are precisely machined to ensure perfect engagement with the threaded rod 17.

Next let us focus on the threaded rod 17. This rod is not only the key to connect the three moving plates, but also the power source for their movement. The upper end of the threaded rod 17 extends through the first fixing plate 4 and is closely connected to the driving means 18. The drive means 18 may be an electric motor, pneumatic means or hydraulic means, selected according to the specific application scenario and requirements. When the drive means 18 is activated, it will rotate the threaded rod 17. Since the threaded rod 17 is tightly fitted with the threaded holes on the three moving plates, the three moving plates move precisely up and down along the threaded rod 17 when the threaded rod 17 rotates.

The advantage of this design is its high degree of accuracy and reliability. By precisely controlling the rotational speed and direction of rotation of the drive means 18, we can achieve precise control of the speed and direction of movement of the three moving plates. Such control accuracy is critical to many precision manufacturing and assembly tasks. For example, during semiconductor manufacturing, minor deviations may result in product failure or performance degradation. By using the mechanical structure based on the threaded rod and the moving plate, each step can be ensured to be carried out according to a preset track, so that the yield and the performance stability of the product are greatly improved.

In addition, the design has good flexibility and expandability. By adjusting the diameter, pitch and size and number of moving plates of the threaded rod 17, we can easily adapt to different working demands and situations. For example, if the number of workloads or tools needs to be increased or decreased, we need only increase or decrease the number of mobile boards accordingly. The flexibility enables the mechanical structure to have wide application prospects in an automatic assembly line.

In summary, mechanical structures based on threaded rods and moving plates have important application values in the field of modern mechanical manufacturing. By precisely controlling the speed and direction of movement of the three moving plates, we can achieve highly accurate manufacturing and assembly tasks. Meanwhile, the design has good flexibility and expandability, and can adapt to different working requirements and scenes.

In particular, in the field of modern mechanical design and manufacture, precise adjustment and adaptation of equipment is critical. In particular, in some applications requiring precise control, such as high precision machining, measuring equipment, or automation lines, the fine tuning of each component can have a significant impact on the overall system performance. For this reason, designers often employ various adjustment devices to ensure accurate operation of the device.

Taking a certain high-precision processing device as an example, the bottom plate 1 of the high-precision processing device is used as a basic supporting component of the whole device, so that stability and reliability are required, and high adjustability is also required. To meet this requirement, the lower end of the base plate 1 is specifically designed with a lift adjustment plate.

The heightening adjusting plate is an exquisite mechanical device, is made of high-strength alloy materials, and ensures that the contact surface between the heightening adjusting plate and the bottom plate 1 is smooth and flat after the surface is precisely machined, thereby reducing friction and abrasion. The accurate spiral elevating system is equipped with inside the regulating plate, through rotatory adjust knob, can the accurate height of control regulating plate, and then realize the fine setting to bottom plate 1.

In practical application, the effect of the heightening adjusting plate is quite remarkable. When the equipment needs to be horizontally adjusted, an operator can lift or lower the adjusting plate only by lightly rotating the adjusting knob, so that the accurate heightening of the bottom plate 1 is realized. The fine adjustment mode is simple and rapid to operate, high in adjustment precision and capable of ensuring that the equipment is kept in a stable horizontal state in the running process.

In addition, the lift adjustment plate has some other advantages. For example, it can be customized to accommodate different work environments and installation conditions according to the needs of different devices. Meanwhile, the height range of the adjusting plate is wide, and different requirements of different devices on the height of the bottom plate can be met. In addition, the structural design of the adjusting plate is reasonable, the adjusting plate has good bearing capacity and stability, and stable performance of equipment in a long-time operation process can be ensured.

It is worth mentioning that the elevating adjusting plate is widely used in the modern industrial field. Besides high-precision processing equipment, the device is widely applied to various occasions needing precise control and adjustment, such as measuring equipment, automation equipment, detection equipment and the like. With the continuous development of industrial technology, the application prospect of the heightening adjusting plate is wider.

In summary, the raising adjustment plate at the lower end of the base plate 1 is a smart and practical mechanical device, which can realize accurate adjustment of the apparatus by accurately controlling the height of the base plate. In the modern industrial field, the application of the heightening adjustment plate has become indispensable, and the heightening adjustment plate provides powerful guarantee for the stable operation and performance improvement of equipment.

In particular, in the field of modern mechanical manufacturing, the design of the auxiliary bushings and the auxiliary guide shafts is of critical importance in order to ensure accurate movement and stable operation of the device. In this paper we will go deep into the function, design and application of the auxiliary bushing 19 and its inner longitudinally disposed auxiliary guide shaft 20, which are provided throughout the first moving plate 12, the second moving plate 13 and the third moving plate 14.

First, we need to understand the basic concept of the auxiliary bushing 19. The auxiliary bushing 19 is a mechanical device that is typically used to provide additional support and guidance to ensure that the moving plate remains accurate and stable during movement. These bushings are typically made of a wear resistant material, such as high strength alloy steel or stainless steel, to withstand the frequent friction and stresses.

In the device described herein, the first moving plate 12, the second moving plate 13 and the third moving plate 14 are each provided with an auxiliary bushing 19 penetrating therethrough. These sleeves not only provide the necessary support, but also ensure accurate guiding of the moving plate during movement by means of the internal longitudinally arranged auxiliary guide shafts 20. The auxiliary guide shaft 20 is generally designed using a precise machining process to ensure smooth surface and accurate size, thereby minimizing friction and deviation of the moving plate during movement.

In order to understand the function of these bushings and guide shafts more deeply, we can consider a practical application scenario. It is assumed that this is a high-precision numerical control machine whose moving plate needs to be precisely moved in a plurality of directions to perform a machining operation. In this case, the presence of the auxiliary bushing 19 and the auxiliary guide shaft 20 will ensure that the moving plate remains stable during rapid movements or heavy loads. This stability is critical to ensuring process accuracy and extending equipment life.

Furthermore, according to some demonstration studies, the design of the auxiliary bushing and the auxiliary guide shaft has a significant impact on improving the overall performance of the device. For example, a study on a numerical control machine tool shows that by optimizing the designs of the auxiliary shaft sleeve and the guide shaft, the failure rate of equipment can be remarkably reduced, and the machining precision can be improved. These improvements not only increase the production efficiency of the apparatus, but also reduce maintenance costs.

In summary, the auxiliary bushings 19 provided through the first, second and third moving plates 12, 13, 14 and the auxiliary guide shafts 20 provided longitudinally therein play a critical role in the modern mechanical manufacturing field. They ensure stability and machining accuracy of the apparatus by providing accurate support and guidance. With the continued advancement and innovation of technology, the design of these bushings and guide shafts will continue to be optimized and improved to meet higher production demands.

In particular, in the field of modern industrial machinery, the drive device plays a vital role. Taking our example of precision machinery, the driving device 18 consists of a well-designed bracket and a high-efficiency driving motor, which cooperate to provide stable and powerful power.

First, we look at the stand portion of this device. The bracket is skillfully designed and mounted on the upper side of the first fixing plate 4, which is like a solid keeper, ensuring the stability and safety of the whole driving device. The support is made of high-strength materials, can bear impact and vibration under various complex working conditions, and ensures stable operation of machinery.

Next, we focus on driving the motor. The driving motor is installed on the upper side of the bracket as a power source of the whole device, and the driving end of the driving motor is closely connected with the threaded rod 17. The driving motor adopts advanced electromagnetic technology and a precise control system, and has the characteristics of high efficiency, low noise and long service life. The device can accurately control the output torque and the rotating speed according to the working requirements of the machine, and ensure the efficient operation of the machine.

In practice, when the drive motor is started, it transmits power to the threaded rod 17 through the drive end. The threaded rod 17 is driven by a motor to rotate, and drives a mechanism connected with the threaded rod to work. The transmission mode has the advantages of simple structure, high transmission efficiency, high positioning precision and the like, and is widely applied to various mechanical systems needing precise control.

It is worth mentioning that this kind of drive arrangement still possesses intelligent protect function. Through built-in sensor and control system, it can monitor the operating condition of motor in real time, parameters such as temperature, electric current, voltage. Once an abnormal condition such as overload, overheat, etc. is found, the control system will immediately initiate protective measures such as reducing the motor speed, cutting off the power supply, etc. to avoid mechanical damage and safety accidents.

In summary, the driving device 18 composed of the bracket and the driving motor is an indispensable part of the modern industrial machinery field by virtue of its stable and reliable structure, high-efficiency power output and intelligent protection function. It plays a vital role in the fields of mechanical manufacturing, automatic production lines, precise instruments and the like.

In particular, in the field of modern industry, the design and optimization of mechanical drive trains has been a focus of attention of engineers. In particular, in the requirement of high-precision and high-efficiency transmission, the importance of the coupling as a key element for connecting a driving motor and a transmission member such as a threaded rod is self-evident. In this context, we will go deep into the design, function and application of the coupling between the drive end of the drive motor and the threaded rod in the transmission system.

First, let us understand the basic concept of a coupling. A coupling is a device used to connect shafts in two different mechanisms, a drive shaft and a driven shaft, to transmit torque or to compensate for misalignment between the shafts. In the transmission system of the driving motor and the threaded rod, the coupler plays a role of a bridge, so that the power output by the motor can be stably and efficiently transmitted to the threaded rod, and the threaded rod is driven to rotate.

Why does a coupling need to be provided between the drive end of the drive motor and the threaded rod, then, mainly due to some challenges in the actual transmission process. First, the axis between the drive motor and the threaded rod may be offset due to installation errors, temperature variations, or mechanical vibrations. The coupling can then absorb these deviations by means of its internal elastic elements or compensation mechanisms, thus protecting the transmission system from damage. Secondly, the shaft coupling can also lighten the impact load generated when the motor starts or stops to a certain extent, and prolongs the service life of the transmission system.

In practical applications, the types of couplings are various, such as rigid couplings, elastic couplings, diaphragm couplings, etc. These different types of couplings are each characterized in terms of structure, performance and application scenario. For example, a rigid coupling is suitable for use in high speed, high torque transmission applications, while an elastic coupling is more suitable for use in applications where compensating for inter-axle misalignment and reducing impact loads are desired. Therefore, when selecting a coupling, comprehensive consideration is required according to specific transmission requirements and working environments.

Furthermore, it is noted that the installation, debugging and maintenance of the coupling are also key links to ensure its proper operation. During installation, it is necessary to ensure that the axis of the coupling is consistent with the axis of the motor and threaded rod to avoid excessive misalignment. In the debugging process, parameters such as pretightening force, clearance and the like of the coupler are required to be adjusted so as to ensure the accuracy and stability of torque transmission. In the maintenance process, the abrasion and deformation conditions of the coupler are required to be checked regularly, and damaged parts are replaced in time so as to ensure the normal operation of the transmission system.

In summary, the arrangement of the coupling between the driving end of the driving motor and the threaded rod is an indispensable ring in the design of the transmission system. Through reasonable selection and use of the coupler, efficient and stable operation of the transmission system can be ensured, production efficiency is improved, and maintenance cost is reduced.

The fixed dies are arranged on the second fixed plate 5, the third fixed plate 6 and the fourth fixed plate 7, the movable dies 16 are arranged on the lower sides of the first movable plate 12, the second movable plate 13 and the third movable plate 14, the corresponding fixed dies 15 and the movable dies 16 are matched for use, a plurality of lock tongues are processed at the same time, the threaded rods 17 are driven by the driving motor to rotate, the movable dies 16 on the first movable plate 12, the second movable plate 13 and the third movable plate 14 are driven by the action of threads to move, and meanwhile, the guide shafts 8 have the action of positioning and guiding, so that the adjustment of the movable dies 16 is not needed, and the processing effect of the lock tongues is improved.

In the description of the present invention, unless explicitly stated and limited otherwise, the terms "mounted," "connected," and "fixed" are to be construed broadly, and may, for example, be fixedly connected, detachably connected, or integrally formed, mechanically connected, electrically connected, directly connected, indirectly connected via an intervening medium, or in communication between two elements or in an interaction relationship between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.

Standard parts used in the invention can be purchased from the market, special-shaped parts can be customized according to the description of the specification and the drawings, the specific connection modes of all parts adopt conventional means such as mature bolts, rivets and welding in the prior art, the machinery, the parts and the equipment adopt conventional models in the prior art, and the circuit connection adopts conventional connection modes in the prior art, so that the details are not described.

Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. The lock tongue casting mold with high yield is characterized by comprising a bottom plate (1), wherein a first supporting plate (2) and a second supporting plate (3) are arranged on the bottom plate (1), and the first supporting plate (2) and the second supporting plate (3) are parallel to each other;

A first fixing plate (4), a second fixing plate (5), a third fixing plate (6) and a fourth fixing plate (7) are sequentially arranged between the first supporting plate (2) and the second supporting plate (3) from top to bottom, a guide shaft (8) is arranged between the first fixing plate (4) and the fourth fixing plate (7), and the guide shaft penetrates through the second fixing plate (5) and the third fixing plate (6);

The guide shaft (8) is provided with a first linear bearing (9), a second linear bearing (10) and a third linear bearing (11) in a sliding manner, the first linear bearing is arranged on the upper side of the second fixed plate (5), the second linear bearing (10) is arranged on the upper side of the third fixed plate (6), and the third linear bearing (11) is arranged on the upper side of the fourth fixed plate (7);

The first linear bearing (9) is provided with a first movable plate (12), the second linear bearing (10) is provided with a second movable plate (13), the third linear bearing (11) is provided with a third movable plate (14), the second fixed plate (5), the third fixed plate (6) and the fourth fixed plate (7) are respectively provided with a fixed die (15), and the lower sides of the first movable plate (12), the second movable plate (13) and the third movable plate (14) are respectively provided with a movable die (16);

The middle threads of the first movable plate (12), the second movable plate (13) and the third movable plate (14) penetrate through a threaded rod (17), and the upper end of the threaded rod (17) extends through the first fixed plate (4) and is connected with a driving device (18).

2. The high-yield bolt casting mold according to claim 1 is characterized in that a heightening adjusting plate is arranged at the lower end of the bottom plate (1).

3. The high-yield bolt casting mold according to claim 1, wherein the first moving plate (12), the second moving plate (13) and the third moving plate (14) are respectively provided with an auxiliary shaft sleeve (19) in a penetrating manner, and an auxiliary guide shaft (20) is longitudinally arranged in the auxiliary shaft sleeve (19).

4. The high-yield bolt casting mold according to claim 1, wherein the driving device (18) comprises a bracket and a driving motor, the bracket is arranged on the upper side of the first fixing plate (4), the driving motor is arranged on the upper side of the bracket, and the driving end of the driving motor is connected with the threaded rod (17).

5. The casting mold for the lock tongue with high yield according to claim 4, wherein a coupling is arranged between the driving end of the driving motor and the threaded rod (17).