Compression molding process for motor end cover

Abstract

A compression molding technology for a motor end cover comprises the following steps that preliminary forming is conducted, specifically, a compression molding device is provided and comprises a base plate, a plurality of lower molds, a top plate and upper molds, the lower molds and the upper molds are in one-to-one correspondence and correspond to one station, the lower molds and the corresponding upper molds correspond to one station respectively, the lower molds are installed on the base plate, and the upper molds are installed on the top plate; the flat-plate-shaped hardware is placed on a forming station, and the supporting base and the bearing table are formed through compression molding of the upper die and the lower die; boss forming, wherein the hardware subjected to primary forming is conveyed to a forming station, and a boss is formed through compression molding of an upper mold and a lower mold; the hardware with the formed boss is conveyed to a forming station, and the reinforcing base is formed through compression molding of an upper die and a lower die; and bottom plate and side plate forming, wherein the hardware with the formed reinforcing base is conveyed to a forming station, and the bottom plate and the side plates are formed through compression molding of the upper die and the lower die. According to the end cover compression molding process, the supporting base and the bearing table are formed through preliminary forming, then the boss, the reinforcing base, the bottom plate and the side plates are formed in sequence, and the machining precision is improved.

Description

Technical Field

[0001] The invention relates to the technical field of motor end cover molding, and in particular to a motor end cover compression molding process. Background Art

[0002] With the development of economy, CNC machine tools have been widely used in hardware production. Figure 1 The motor end cover shown includes a bottom plate, a support seat, a reinforcement seat, a boss, a bearing platform and a side plate, one end of the support seat is convexly arranged on the bottom plate, the reinforcement seat is convexly arranged on one side of the support seat, the boss is convexly arranged on the end of the support seat away from the bottom plate, one end of the bearing platform is connected to the boss, and the other end extends toward the bottom plate, one end of the side plate is connected to the bottom plate, and the side plate is arranged along the circumference of the bottom plate. Since the structure of the motor end cover is relatively complex, the processing route of the CNC machine tool is not easy to control, and the processing cost is high. Summary of the invention

[0003] Based on this, it is necessary to provide a motor end cover molding process to address the above problems.

[0004] A motor end cover compression molding process, the motor end cover comprises a bottom plate, a support seat, a reinforcement seat, a boss, a bearing platform and a side plate, one end of the support seat is convexly arranged on the bottom plate, the reinforcement seat is convexly arranged on one side of the support seat, the boss is convexly arranged on an end of the support seat away from the bottom plate, one end of the bearing platform is connected to the boss, and the other end extends toward the bottom plate, one end of the side plate is connected to the bottom plate, and the side plate is arranged along the circumference of the bottom plate, and the motor end cover compression molding process comprises the following steps:

[0005] Preliminary molding: providing a molding device, including a base plate, a lower mold, a top plate and an upper mold, wherein the lower molds and the upper molds are multiple and correspond to each other, and the lower molds and the corresponding upper molds correspond to a station respectively, and each lower mold is installed on the base plate, and each upper mold is installed on the top plate; placing the flat-plate hardware at the molding station, and molding the support seat and the bearing platform by the upper mold and the lower mold;

[0006] Boss forming: the initially formed hardware is transferred to the forming station, and the boss is formed by the upper die and the lower die;

[0007] Reinforcement seat molding: the hardware of the formed boss is transferred to the molding station, and the reinforcement seat is molded by the upper mold and the lower mold;

[0008] Forming of the bottom plate and the side plates: The hardware of the formed reinforcement seat is transferred to the forming station, and the bottom plate and the side plates are formed by the upper die and the lower die.

[0009] In one of the embodiments, the preliminary molding step includes a support seat molding station and a bearing platform molding station. In the support seat molding station, the upper mold and the lower mold cooperate to mold the flat plate-shaped hardware into a flat plate and a support seat protruding from the flat plate; in the bearing platform molding station, the upper mold and the lower mold cooperate to concave the middle part of the support seat to form the bearing platform.

[0010] In one embodiment, the support platform molding station includes a support platform initial molding station and a support platform re-molding station. In the support platform initial molding station, the upper mold and the lower mold cooperate to form the initial shapes of the support seat and the support platform; in the support platform re-molding station, the upper mold and the lower mold cooperate to form the precise shapes of the support seat and the support platform.

[0011] In one of the embodiments, before the bottom plate and side plate forming step, a trimming step is also included, in which the hardware of the formed reinforcement seat is transferred to the forming station, and the excess edge material on the flat plate is cut off by molding with the upper mold and the lower mold.

[0012] In one of the embodiments, after the bottom plate and the side plate are formed, it also includes the step of punching through holes and through holes, and the hardware of the formed bottom plate and side plate are transferred to the forming station, and the holes are punched through the upper mold and the lower mold to form a through hole in the middle of the supporting platform, and a through hole is formed in the bottom plate.

[0013] In one embodiment, after the step of punching through holes and through holes, there is also a step of punching strip holes, wherein the hardware with punched through holes and through holes is transferred to a forming station, and punched through holes by the upper die and the lower die to form strip holes on the bottom plate.

[0014] In one of the embodiments, after the step of punching the strip-shaped holes, a deburring step is also included, in which the hardware with the punched strip-shaped holes is transferred to a molding station, and the burrs of the through holes are removed by molding with the upper mold and the lower mold.

[0015] In one of the embodiments, after the deburring step, a shaping step is also included, in which the deburred hardware is transferred to a molding station and molded and shaped by the upper mold and the lower mold to ensure accurate size.

[0016] In one embodiment, the molding equipment also includes a conveying component, which includes a first support plate, a first clamping block, a second support plate and a second clamping block. The first support plate and the second support plate are respectively arranged on both sides of the substrate. There are multiple first clamping blocks and second clamping blocks, and they correspond one to one. Each first clamping block is installed on the first support plate, and each second clamping block is installed on the second support plate. The first clamping block and the corresponding second clamping block correspond to a work station respectively, and the first clamping block and the corresponding second clamping block cooperate to clamp hardware; with each synchronous movement of the first support plate and the second support plate, the first clamping block and the second clamping block cooperate to convey the hardware to the next work station.

[0017] Compared with the prior art, the present invention has the following beneficial effects:

[0018] The motor end cover compression molding process of the present invention forms a support seat and a bearing platform through preliminary molding, and then sequentially molds a boss, a reinforcing seat, a bottom plate and a side plate to improve processing accuracy; at the same time, each station performs synchronous processing to improve processing efficiency and reduce costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a structural schematic diagram of the motor end cover in the background technology;

[0020] Figure 2 A structural schematic diagram of a molding device according to an embodiment of the present invention;

[0021] Figure 3 for Figure 2 A schematic structural diagram of the molding device from another angle;

[0022] Figure 4 for Figure 2 The shown molding equipment is a cross-sectional view of the corresponding product after molding at each station.

[0023] The meanings of the numbers in the accompanying drawings are:

[0024] 100. Molding equipment;

[0025] 10. Base plate; 20. Lower mold; 30. Top plate; 40. Upper mold; 50. Transmission assembly; 51. First support plate; 52. First clamping block; 53. Second support plate; 54. Second clamping block;

[0026] 90. Motor end cover; 91. Bottom plate; 911. Through hole; 912. Strip hole; 92. Support seat; 93. Reinforcement seat; 94. Boss; 95. Bearing platform; 951. Through hole; 96. Side plate. DETAILED DESCRIPTION

[0027] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the specific embodiments of the present invention are described in detail below in conjunction with the accompanying drawings. In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without violating the connotation of the present invention, so the present invention is not limited by the specific embodiments disclosed below.

[0028] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as limiting the present invention.

[0029] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In the description of the present invention, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0030] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0031] In the present invention, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being "above", "above" or "above" a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being "below", "below" or "below" a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0032] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it may be directly on the other element or there may be a central element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. The terms "vertical", "horizontal", "upper", "lower", "left", "right" and similar expressions used herein are for illustrative purposes only and are not intended to be the only implementation method.

[0033] Please refer to Figures 1 to 4 , a motor end cover molding process of an embodiment of the invention, the motor end cover 90 includes a bottom plate 91, a support seat 92, a reinforcement seat 93, a boss 94, a bearing platform 95 and a side plate 96, one end of the support seat 92 is convexly arranged on the bottom plate 91, the reinforcement seat 93 is convexly arranged on one side of the support seat 92, the boss 94 is convexly arranged on the end of the support seat 92 away from the bottom plate 91, one end of the bearing platform 95 is connected to the boss 94, and the other end extends toward the bottom plate 91, one end of the side plate 96 is connected to the bottom plate 91, and the side plate 96 is arranged along the circumference of the bottom plate 91; optionally, the bottom plate 91 is provided with a through hole 911 and a strip hole 912; the middle part of the bearing platform 95 is provided with a through hole 951. The motor end cover molding process includes the following steps: preliminary molding, boss 94 molding, reinforcement seat 93 molding, bottom plate 91 and side plate 96 molding. The motor end cover compression molding process forms the support seat 92 and the bearing platform 95 through preliminary molding, and then sequentially molds the boss 94, the reinforcing seat 93, the bottom plate 91 and the side plate 96 to improve the processing accuracy; at the same time, each station is processed synchronously to improve the processing efficiency and reduce the cost.

[0034] like Figures 2 to 4 As shown, in this embodiment, the motor end cover molding process includes the following steps:

[0035] Preliminary molding: Provide a molding device 100, including a base plate 10, a lower mold 20, a top plate 30 and an upper mold 40, wherein there are multiple lower molds 20 and upper molds 40, and the lower molds 20 and the corresponding upper molds 40 correspond to one station respectively, and each lower mold 20 is installed on the base plate 10, and each upper mold 40 is installed on the top plate 30; place the flat-plate hardware at the molding station, and mold the support seat 92 and the bearing platform 95 through the upper mold 40 and the lower mold 20;

[0036] Alternatively, if Figure 4 As shown, the preliminary molding step includes a support seat 92 molding station and a bearing platform 95 molding station. When the support seat 92 is in the molding station, the upper mold 40 and the lower mold 20 cooperate to mold the flat plate-shaped hardware to form a flat plate and a support seat 92 protruding from the flat plate; when the bearing platform 95 is in the molding station, the upper mold 40 and the lower mold 20 cooperate to concave the middle part of the support seat 92 to form the bearing platform 95.

[0037] Furthermore, the forming station of the support platform 95 includes a primary forming station of the support platform 95 and a re-forming station of the support platform 95. When the support platform 95 is in the primary forming station, the upper mold 40 and the lower mold 20 cooperate to form the initial shape of the support seat 92 and the support platform 95; when the support platform 95 is in the re-forming station, the upper mold 40 and the lower mold 20 cooperate to form the precise shape of the support seat 92 and the support platform 95 again. Through step-by-step multi-stage molding, the molding accuracy and quality are improved, and excessive deformation of the hardware due to one-time molding is avoided, which causes the hardware to burst.

[0038] In one embodiment, the molding equipment 100 also includes a conveying assembly 50, which includes a first support plate 51, a first clamping block 52, a second support plate 53 and a second clamping block 54. The first support plate 51 and the second support plate 53 are respectively arranged on both sides of the substrate 10, and the first support plate 51 and the second support plate 53 can move synchronously along the extension direction of the substrate 10; there are multiple first clamping blocks 52 and second clamping blocks 54, and they correspond one to one. Each first clamping block 52 is installed on the first support plate 51, and each second clamping block 54 is installed on the second support plate 53. The first clamping block 52 and the corresponding second clamping block 54 correspond to one workstation respectively, and the first clamping block 52 and the corresponding second clamping block 54 cooperate to clamp the hardware; with each synchronous movement of the first support plate 51 and the second support plate 53, the first clamping block 52 and the second clamping block 54 cooperate to convey the hardware to the next workstation, thereby realizing multi-station synchronous processing and improving production efficiency.

[0039] Boss 94 molding: The preliminarily molded hardware is transferred to the molding station, and the boss 94 is molded by the upper mold 40 and the lower mold 20;

[0040] Forming of the reinforcement seat 93: The hardware with the formed boss 94 is transferred to the forming station, and the reinforcement seat 93 is formed by the upper mold 40 and the lower mold 20;

[0041] Forming of the bottom plate 91 and the side plate 96: The formed hardware is transferred to the forming station, and the bottom plate 91 and the side plate 96 are formed by the upper mold 40 and the lower mold 20. Optionally, before the step of forming the bottom plate 91 and the side plate 96, a trimming step is also included, in which the hardware of the formed reinforcement seat 93 is transferred to the forming station, and the excess edge material on the flat plate is cut off by the upper mold 40 and the lower mold 20; and then the trimmed hardware is transferred to the forming station, and the bottom plate 91 and the side plate 96 are formed by the upper mold 40 and the lower mold 20.

[0042] Furthermore, after the bottom plate 91 and the side plate 96 are formed, the steps of punching the through hole 951 and the through hole 911 are also included, and the hardware of the formed bottom plate 91 and the side plate 96 are transferred to the forming station, and are punched and perforated by the upper mold 40 and the lower mold 20, so that the through hole 951 is formed in the middle of the supporting platform 95, and the through hole 911 is formed in the bottom plate 91.

[0043] After the step of punching the through hole 951 and the through hole 911 , the step of punching the strip hole 912 is also included, and the hardware with the punched through hole 951 and the through hole 911 is transferred to the molding station, and the upper mold 40 and the lower mold 20 are used for molding and punching, so that the bottom plate 91 forms the strip hole 912 .

[0044] After the step of punching the strip-shaped hole 912 , a deburring step is also included, in which the hardware with the punched strip-shaped hole 912 is transferred to a molding station, and the burrs of the through hole 911 are removed by molding with the upper mold 40 and the lower mold 20 .

[0045] After the deburring step, a shaping step is also included, in which the deburred hardware is transferred to a molding station and molded and shaped by an upper mold 40 and a lower mold 20 to ensure accurate dimensions.

[0046] The motor end cover compression molding process improves processing accuracy and quality through step-by-step processing. Moreover, through each synchronous movement of the first support plate 51 and the second support plate 53, the first clamping block 52 and the second clamping block 54 cooperate to transfer the hardware to the next station, thereby achieving synchronous processing at each station and improving processing efficiency.

[0047] The motor end cover compression molding process of the present invention forms the support seat 92 and the bearing platform 95 through preliminary molding, and then sequentially molds the boss 94, the reinforcing seat 93, the bottom plate 91 and the side plate 96 to improve the processing accuracy; at the same time, each station performs synchronous processing to improve processing efficiency and reduce costs.

[0048] The technical features of the above-described embodiments may be arbitrarily combined. To make the description concise, not all possible combinations of the technical features in the above-described embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0049] The above-mentioned embodiments only express several implementation methods of the present invention, and the descriptions thereof are relatively specific and detailed, but they cannot be understood as limiting the scope of the invention patent. It should be pointed out that, for ordinary technicians in this field, several variations and improvements can be made without departing from the concept of the present invention, and these all belong to the protection scope of the present invention. Therefore, the protection scope of the patent of the present invention shall be subject to the attached claims.

Claims

1. A motor end cover molding process, the motor end cover comprises a bottom plate, a support seat, a reinforcement seat, a boss, a bearing platform and a side plate, one end of the support seat is convexly arranged on the bottom plate, the reinforcement seat is convexly arranged on one side of the support seat, the boss is convexly arranged on the end of the support seat away from the bottom plate, one end of the bearing platform is connected to the boss, and the other end extends toward the bottom plate, one end of the side plate is connected to the bottom plate, and the side plate is arranged along the circumference of the bottom plate, characterized in that The motor end cover compression molding process comprises the following steps: Preliminary molding: Provide a molding device, including a base plate, a lower mold, a top plate and an upper mold, wherein the lower molds and the upper molds are multiple and correspond to each other, and the lower molds and the corresponding upper molds correspond to a station respectively, and each lower mold is installed on the base plate, and each upper mold is installed on the top plate; place the flat-plate hardware at the molding station, and mold the support seat and the bearing platform through the upper mold and the lower mold; Boss forming: the initially formed hardware is transferred to the forming station, and the boss is formed by the upper die and the lower die; Reinforcement seat molding: the hardware of the formed boss is transferred to the molding station, and the reinforcement seat is molded by the upper mold and the lower mold; Forming of the bottom plate and the side plates: The hardware of the formed reinforcement seat is transferred to the forming station, and the bottom plate and the side plates are formed by the upper die and the lower die.

2. The motor end cover molding process according to claim 1, characterized in that: The preliminary molding step includes a support seat molding station and a bearing platform molding station. In the support seat molding station, the upper mold and the lower mold cooperate to mold the flat plate-shaped hardware to form a flat plate and a support seat protruding from the flat plate; in the bearing platform molding station, the upper mold and the lower mold cooperate to concave the middle part of the support seat to form the bearing platform.

3. The motor end cover compression molding process according to claim 2, characterized in that: The carrier platform molding station includes a carrier platform initial molding station and a carrier platform remolding station. In the carrier platform initial molding station, the upper mold and the lower mold cooperate to form the preliminary shapes of the support seat and the carrier platform; in the carrier platform remolding station, the upper mold and the lower mold cooperate to form the precise shapes of the support seat and the carrier platform.

4. The motor end cover molding process according to claim 2, characterized in that: Before the step of forming the bottom plate and the side plate, a trimming step is also included, in which the hardware of the formed reinforcement seat is transferred to the forming station, and the excess edge material on the flat plate is cut off by the upper mold and the lower mold.

5. The motor end cover compression molding process according to claim 1, characterized in that: After the bottom plate and the side plate are formed, the steps of punching through holes and through holes are also included, and the hardware of the formed bottom plate and side plate are transferred to the forming station, and the holes are punched through the upper mold and the lower mold to form a through hole in the middle of the supporting platform and a through hole is formed in the bottom plate.

6. The motor end cover compression molding process according to claim 5, characterized in that: After the step of punching through holes and through holes, the step of punching strip holes is also included, and the hardware with punched through holes and through holes is transferred to the forming station, and punched through holes by the upper mold and the lower mold to form strip holes on the bottom plate.

7. The motor end cover compression molding process according to claim 6, characterized in that: After the step of punching the strip-shaped holes, a deburring step is also included, in which the hardware with the punched strip-shaped holes is transferred to a molding station, and the burrs of the through holes are removed by molding with the upper mold and the lower mold.

8. The motor end cover compression molding process according to claim 7, characterized in that: After the deburring step, a shaping step is also included, in which the deburred hardware is transferred to a molding station and is molded and shaped by the upper mold and the lower mold to ensure accurate size.

9. The motor end cover compression molding process according to claim 1, characterized in that: The molding equipment also includes a conveying component, which includes a first support plate, a first clamping block, a second support plate and a second clamping block. The first support plate and the second support plate are respectively arranged on both sides of the substrate. There are multiple first clamping blocks and second clamping blocks, and they correspond one to one. Each first clamping block is installed on the first support plate, and each second clamping block is installed on the second support plate. The first clamping block and the corresponding second clamping block correspond to a work station respectively, and the first clamping block and the corresponding second clamping block cooperate to clamp the hardware; with each synchronous movement of the first support plate and the second support plate, the first clamping block and the second clamping block cooperate to convey the hardware to the next work station.

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